Home / 15,566.41-21,475.53-9,587.70

Finding the Fourth Proportional to 15,566.41, 21,475.53 and 9,587.70

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Solution

The fourth proportional to 15,566.41, 21,475.53 and 9,587.70 is: 13,227.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,566.41 : 21,475.53 = 9,587.70 : x
  2. Step 2: Convert to fraction form
    15,566.41/21,475.53 = 9,587.70/x
  3. Step 3: Cross multiply
    15,566.41x = 21,475.53 × 9,587.70
  4. Step 4: Simplify right side
    15,566.41x = 205,900,938.98
  5. Step 5: Solve for x
    x = 205,900,938.98/15,566.41
  6. Step 6: Final answer
    x = 13,227.26

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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.