Home / 22,528.75-31,089.69-12,592.75

Finding the Fourth Proportional to 22,528.75, 31,089.69 and 12,592.75

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Solution

The fourth proportional to 22,528.75, 31,089.69 and 12,592.75 is: 17,378.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,528.75 : 31,089.69 = 12,592.75 : x
  2. Step 2: Convert to fraction form
    22,528.75/31,089.69 = 12,592.75/x
  3. Step 3: Cross multiply
    22,528.75x = 31,089.69 × 12,592.75
  4. Step 4: Simplify right side
    22,528.75x = 391,504,693.75
  5. Step 5: Solve for x
    x = 391,504,693.75/22,528.75
  6. Step 6: Final answer
    x = 17,378.00

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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.