Home / 15,597.73-21,526.37-8,885.53

Finding the Fourth Proportional to 15,597.73, 21,526.37 and 8,885.53

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Solution

The fourth proportional to 15,597.73, 21,526.37 and 8,885.53 is: 12,262.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,597.73 : 21,526.37 = 8,885.53 : x
  2. Step 2: Convert to fraction form
    15,597.73/21,526.37 = 8,885.53/x
  3. Step 3: Cross multiply
    15,597.73x = 21,526.37 × 8,885.53
  4. Step 4: Simplify right side
    15,597.73x = 191,273,206.43
  5. Step 5: Solve for x
    x = 191,273,206.43/15,597.73
  6. Step 6: Final answer
    x = 12,262.89

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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.