Home / 27,425.12-37,838.60-18,482.72

Finding the Fourth Proportional to 27,425.12, 37,838.60 and 18,482.72

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Solution

The fourth proportional to 27,425.12, 37,838.60 and 18,482.72 is: 25,500.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,425.12 : 37,838.60 = 18,482.72 : x
  2. Step 2: Convert to fraction form
    27,425.12/37,838.60 = 18,482.72/x
  3. Step 3: Cross multiply
    27,425.12x = 37,838.60 × 18,482.72
  4. Step 4: Simplify right side
    27,425.12x = 699,360,248.99
  5. Step 5: Solve for x
    x = 699,360,248.99/27,425.12
  6. Step 6: Final answer
    x = 25,500.72

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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.