Home / 13,929.16-20,892.76-6,535.24

Finding the Fourth Proportional to 13,929.16, 20,892.76 and 6,535.24

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Solution

The fourth proportional to 13,929.16, 20,892.76 and 6,535.24 is: 9,802.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,929.16 : 20,892.76 = 6,535.24 : x
  2. Step 2: Convert to fraction form
    13,929.16/20,892.76 = 6,535.24/x
  3. Step 3: Cross multiply
    13,929.16x = 20,892.76 × 6,535.24
  4. Step 4: Simplify right side
    13,929.16x = 136,539,200.86
  5. Step 5: Solve for x
    x = 136,539,200.86/13,929.16
  6. Step 6: Final answer
    x = 9,802.40

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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.