Home / 15,583.59-21,503.88-9,294.75

Finding the Fourth Proportional to 15,583.59, 21,503.88 and 9,294.75

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Solution

The fourth proportional to 15,583.59, 21,503.88 and 9,294.75 is: 12,825.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,583.59 : 21,503.88 = 9,294.75 : x
  2. Step 2: Convert to fraction form
    15,583.59/21,503.88 = 9,294.75/x
  3. Step 3: Cross multiply
    15,583.59x = 21,503.88 × 9,294.75
  4. Step 4: Simplify right side
    15,583.59x = 199,873,188.63
  5. Step 5: Solve for x
    x = 199,873,188.63/15,583.59
  6. Step 6: Final answer
    x = 12,825.88

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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.