Home / 15,233.64-21,023.78-9,263.88

Finding the Fourth Proportional to 15,233.64, 21,023.78 and 9,263.88

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Solution

The fourth proportional to 15,233.64, 21,023.78 and 9,263.88 is: 12,784.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,233.64 : 21,023.78 = 9,263.88 : x
  2. Step 2: Convert to fraction form
    15,233.64/21,023.78 = 9,263.88/x
  3. Step 3: Cross multiply
    15,233.64x = 21,023.78 × 9,263.88
  4. Step 4: Simplify right side
    15,233.64x = 194,761,775.07
  5. Step 5: Solve for x
    x = 194,761,775.07/15,233.64
  6. Step 6: Final answer
    x = 12,784.98

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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.