Home / 14,117.61-21,258.90-10,445.67

Finding the Fourth Proportional to 14,117.61, 21,258.90 and 10,445.67

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Solution

The fourth proportional to 14,117.61, 21,258.90 and 10,445.67 is: 15,729.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,117.61 : 21,258.90 = 10,445.67 : x
  2. Step 2: Convert to fraction form
    14,117.61/21,258.90 = 10,445.67/x
  3. Step 3: Cross multiply
    14,117.61x = 21,258.90 × 10,445.67
  4. Step 4: Simplify right side
    14,117.61x = 222,063,453.96
  5. Step 5: Solve for x
    x = 222,063,453.96/14,117.61
  6. Step 6: Final answer
    x = 15,729.54

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.