Home / 22,153.18-30,576.12-12,726.94

Finding the Fourth Proportional to 22,153.18, 30,576.12 and 12,726.94

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Solution

The fourth proportional to 22,153.18, 30,576.12 and 12,726.94 is: 17,565.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,153.18 : 30,576.12 = 12,726.94 : x
  2. Step 2: Convert to fraction form
    22,153.18/30,576.12 = 12,726.94/x
  3. Step 3: Cross multiply
    22,153.18x = 30,576.12 × 12,726.94
  4. Step 4: Simplify right side
    22,153.18x = 389,140,444.67
  5. Step 5: Solve for x
    x = 389,140,444.67/22,153.18
  6. Step 6: Final answer
    x = 17,565.90

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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.