Home / 38,867.68-58,303.34-12,574.47

Finding the Fourth Proportional to 38,867.68, 58,303.34 and 12,574.47

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Solution

The fourth proportional to 38,867.68, 58,303.34 and 12,574.47 is: 18,862.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,867.68 : 58,303.34 = 12,574.47 : x
  2. Step 2: Convert to fraction form
    38,867.68/58,303.34 = 12,574.47/x
  3. Step 3: Cross multiply
    38,867.68x = 58,303.34 × 12,574.47
  4. Step 4: Simplify right side
    38,867.68x = 733,133,599.73
  5. Step 5: Solve for x
    x = 733,133,599.73/38,867.68
  6. Step 6: Final answer
    x = 18,862.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.