Home / 22,312.08-30,796.27-15,154.11

Finding the Fourth Proportional to 22,312.08, 30,796.27 and 15,154.11

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Solution

The fourth proportional to 22,312.08, 30,796.27 and 15,154.11 is: 20,916.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,312.08 : 30,796.27 = 15,154.11 : x
  2. Step 2: Convert to fraction form
    22,312.08/30,796.27 = 15,154.11/x
  3. Step 3: Cross multiply
    22,312.08x = 30,796.27 × 15,154.11
  4. Step 4: Simplify right side
    22,312.08x = 466,690,025.28
  5. Step 5: Solve for x
    x = 466,690,025.28/22,312.08
  6. Step 6: Final answer
    x = 20,916.47

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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.