Home / 19,479.48-29,223.38-7,000.12

Finding the Fourth Proportional to 19,479.48, 29,223.38 and 7,000.12

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Solution

The fourth proportional to 19,479.48, 29,223.38 and 7,000.12 is: 10,501.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,479.48 : 29,223.38 = 7,000.12 : x
  2. Step 2: Convert to fraction form
    19,479.48/29,223.38 = 7,000.12/x
  3. Step 3: Cross multiply
    19,479.48x = 29,223.38 × 7,000.12
  4. Step 4: Simplify right side
    19,479.48x = 204,567,166.81
  5. Step 5: Solve for x
    x = 204,567,166.81/19,479.48
  6. Step 6: Final answer
    x = 10,501.67

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