Home / 23,113.60-31,896.76-12,503.25

Finding the Fourth Proportional to 23,113.60, 31,896.76 and 12,503.25

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Solution

The fourth proportional to 23,113.60, 31,896.76 and 12,503.25 is: 17,254.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,113.60 : 31,896.76 = 12,503.25 : x
  2. Step 2: Convert to fraction form
    23,113.60/31,896.76 = 12,503.25/x
  3. Step 3: Cross multiply
    23,113.60x = 31,896.76 × 12,503.25
  4. Step 4: Simplify right side
    23,113.60x = 398,813,133.21
  5. Step 5: Solve for x
    x = 398,813,133.21/23,113.60
  6. Step 6: Final answer
    x = 17,254.48

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.