Home / 13,417.52-18,516.13-7,449.44

Finding the Fourth Proportional to 13,417.52, 18,516.13 and 7,449.44

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Solution

The fourth proportional to 13,417.52, 18,516.13 and 7,449.44 is: 10,280.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,417.52 : 18,516.13 = 7,449.44 : x
  2. Step 2: Convert to fraction form
    13,417.52/18,516.13 = 7,449.44/x
  3. Step 3: Cross multiply
    13,417.52x = 18,516.13 × 7,449.44
  4. Step 4: Simplify right side
    13,417.52x = 137,934,688.26
  5. Step 5: Solve for x
    x = 137,934,688.26/13,417.52
  6. Step 6: Final answer
    x = 10,280.20

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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.