Home / 15,127.79-22,689.86-5,266.24

Finding the Fourth Proportional to 15,127.79, 22,689.86 and 5,266.24

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Solution

The fourth proportional to 15,127.79, 22,689.86 and 5,266.24 is: 7,898.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,127.79 : 22,689.86 = 5,266.24 : x
  2. Step 2: Convert to fraction form
    15,127.79/22,689.86 = 5,266.24/x
  3. Step 3: Cross multiply
    15,127.79x = 22,689.86 × 5,266.24
  4. Step 4: Simplify right side
    15,127.79x = 119,490,165.27
  5. Step 5: Solve for x
    x = 119,490,165.27/15,127.79
  6. Step 6: Final answer
    x = 7,898.72

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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.