Home / 22,325.16-30,731.40-19,298.88

Finding the Fourth Proportional to 22,325.16, 30,731.40 and 19,298.88

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Solution

The fourth proportional to 22,325.16, 30,731.40 and 19,298.88 is: 26,565.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,325.16 : 30,731.40 = 19,298.88 : x
  2. Step 2: Convert to fraction form
    22,325.16/30,731.40 = 19,298.88/x
  3. Step 3: Cross multiply
    22,325.16x = 30,731.40 × 19,298.88
  4. Step 4: Simplify right side
    22,325.16x = 593,081,600.83
  5. Step 5: Solve for x
    x = 593,081,600.83/22,325.16
  6. Step 6: Final answer
    x = 26,565.61

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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.