Home / 25,780.32-35,574.24-15,023.52

Finding the Fourth Proportional to 25,780.32, 35,574.24 and 15,023.52

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Solution

The fourth proportional to 25,780.32, 35,574.24 and 15,023.52 is: 20,730.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,780.32 : 35,574.24 = 15,023.52 : x
  2. Step 2: Convert to fraction form
    25,780.32/35,574.24 = 15,023.52/x
  3. Step 3: Cross multiply
    25,780.32x = 35,574.24 × 15,023.52
  4. Step 4: Simplify right side
    25,780.32x = 534,450,306.12
  5. Step 5: Solve for x
    x = 534,450,306.12/25,780.32
  6. Step 6: Final answer
    x = 20,730.94

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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.