Home / 23,390.79-32,270.12-14,422.72

Finding the Fourth Proportional to 23,390.79, 32,270.12 and 14,422.72

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Solution

The fourth proportional to 23,390.79, 32,270.12 and 14,422.72 is: 19,897.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,390.79 : 32,270.12 = 14,422.72 : x
  2. Step 2: Convert to fraction form
    23,390.79/32,270.12 = 14,422.72/x
  3. Step 3: Cross multiply
    23,390.79x = 32,270.12 × 14,422.72
  4. Step 4: Simplify right side
    23,390.79x = 465,422,905.13
  5. Step 5: Solve for x
    x = 465,422,905.13/23,390.79
  6. Step 6: Final answer
    x = 19,897.70

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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.