Home / 23,023.81-31,772.80-12,952.25

Finding the Fourth Proportional to 23,023.81, 31,772.80 and 12,952.25

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Solution

The fourth proportional to 23,023.81, 31,772.80 and 12,952.25 is: 17,874.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,023.81 : 31,772.80 = 12,952.25 : x
  2. Step 2: Convert to fraction form
    23,023.81/31,772.80 = 12,952.25/x
  3. Step 3: Cross multiply
    23,023.81x = 31,772.80 × 12,952.25
  4. Step 4: Simplify right side
    23,023.81x = 411,529,248.80
  5. Step 5: Solve for x
    x = 411,529,248.80/23,023.81
  6. Step 6: Final answer
    x = 17,874.08

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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.