Home / 15,606.68-21,534.80-8,892.59

Finding the Fourth Proportional to 15,606.68, 21,534.80 and 8,892.59

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Solution

The fourth proportional to 15,606.68, 21,534.80 and 8,892.59 is: 12,270.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,606.68 : 21,534.80 = 8,892.59 : x
  2. Step 2: Convert to fraction form
    15,606.68/21,534.80 = 8,892.59/x
  3. Step 3: Cross multiply
    15,606.68x = 21,534.80 × 8,892.59
  4. Step 4: Simplify right side
    15,606.68x = 191,499,995.00
  5. Step 5: Solve for x
    x = 191,499,995.00/15,606.68
  6. Step 6: Final answer
    x = 12,270.39

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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.