Home / 15,250.22-21,045.54-9,282.14

Finding the Fourth Proportional to 15,250.22, 21,045.54 and 9,282.14

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Solution

The fourth proportional to 15,250.22, 21,045.54 and 9,282.14 is: 12,809.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,250.22 : 21,045.54 = 9,282.14 : x
  2. Step 2: Convert to fraction form
    15,250.22/21,045.54 = 9,282.14/x
  3. Step 3: Cross multiply
    15,250.22x = 21,045.54 × 9,282.14
  4. Step 4: Simplify right side
    15,250.22x = 195,347,648.66
  5. Step 5: Solve for x
    x = 195,347,648.66/15,250.22
  6. Step 6: Final answer
    x = 12,809.50

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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.