Home / 15,931.52-23,847.96-13,569.56

Finding the Fourth Proportional to 15,931.52, 23,847.96 and 13,569.56

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Solution

The fourth proportional to 15,931.52, 23,847.96 and 13,569.56 is: 20,312.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,931.52 : 23,847.96 = 13,569.56 : x
  2. Step 2: Convert to fraction form
    15,931.52/23,847.96 = 13,569.56/x
  3. Step 3: Cross multiply
    15,931.52x = 23,847.96 × 13,569.56
  4. Step 4: Simplify right side
    15,931.52x = 323,606,324.10
  5. Step 5: Solve for x
    x = 323,606,324.10/15,931.52
  6. Step 6: Final answer
    x = 20,312.33

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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.