Home / 15,635.71-21,577.35-8,562.16

Finding the Fourth Proportional to 15,635.71, 21,577.35 and 8,562.16

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Solution

The fourth proportional to 15,635.71, 21,577.35 and 8,562.16 is: 11,815.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,635.71 : 21,577.35 = 8,562.16 : x
  2. Step 2: Convert to fraction form
    15,635.71/21,577.35 = 8,562.16/x
  3. Step 3: Cross multiply
    15,635.71x = 21,577.35 × 8,562.16
  4. Step 4: Simplify right side
    15,635.71x = 184,748,723.08
  5. Step 5: Solve for x
    x = 184,748,723.08/15,635.71
  6. Step 6: Final answer
    x = 11,815.82

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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.