Home / 15,592.43-21,511.44-9,613.72

Finding the Fourth Proportional to 15,592.43, 21,511.44 and 9,613.72

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Solution

The fourth proportional to 15,592.43, 21,511.44 and 9,613.72 is: 13,263.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,592.43 : 21,511.44 = 9,613.72 : x
  2. Step 2: Convert to fraction form
    15,592.43/21,511.44 = 9,613.72/x
  3. Step 3: Cross multiply
    15,592.43x = 21,511.44 × 9,613.72
  4. Step 4: Simplify right side
    15,592.43x = 206,804,931.21
  5. Step 5: Solve for x
    x = 206,804,931.21/15,592.43
  6. Step 6: Final answer
    x = 13,263.16

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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.