Home / 22,280.04-30,750.78-14,726.76

Finding the Fourth Proportional to 22,280.04, 30,750.78 and 14,726.76

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Solution

The fourth proportional to 22,280.04, 30,750.78 and 14,726.76 is: 20,325.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,280.04 : 30,750.78 = 14,726.76 : x
  2. Step 2: Convert to fraction form
    22,280.04/30,750.78 = 14,726.76/x
  3. Step 3: Cross multiply
    22,280.04x = 30,750.78 × 14,726.76
  4. Step 4: Simplify right side
    22,280.04x = 452,859,356.87
  5. Step 5: Solve for x
    x = 452,859,356.87/22,280.04
  6. Step 6: Final answer
    x = 20,325.79

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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.