Home / 15,237.32-21,028.02-8,522.96

Finding the Fourth Proportional to 15,237.32, 21,028.02 and 8,522.96

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Solution

The fourth proportional to 15,237.32, 21,028.02 and 8,522.96 is: 11,761.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,237.32 : 21,028.02 = 8,522.96 : x
  2. Step 2: Convert to fraction form
    15,237.32/21,028.02 = 8,522.96/x
  3. Step 3: Cross multiply
    15,237.32x = 21,028.02 × 8,522.96
  4. Step 4: Simplify right side
    15,237.32x = 179,220,973.34
  5. Step 5: Solve for x
    x = 179,220,973.34/15,237.32
  6. Step 6: Final answer
    x = 11,761.97

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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.