Home / 15,600.06-21,526.56-8,885.16

Finding the Fourth Proportional to 15,600.06, 21,526.56 and 8,885.16

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Solution

The fourth proportional to 15,600.06, 21,526.56 and 8,885.16 is: 12,260.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,600.06 : 21,526.56 = 8,885.16 : x
  2. Step 2: Convert to fraction form
    15,600.06/21,526.56 = 8,885.16/x
  3. Step 3: Cross multiply
    15,600.06x = 21,526.56 × 8,885.16
  4. Step 4: Simplify right side
    15,600.06x = 191,266,929.85
  5. Step 5: Solve for x
    x = 191,266,929.85/15,600.06
  6. Step 6: Final answer
    x = 12,260.65

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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.