Home / 15,155.70-22,737.21-4,767.45

Finding the Fourth Proportional to 15,155.70, 22,737.21 and 4,767.45

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Solution

The fourth proportional to 15,155.70, 22,737.21 and 4,767.45 is: 7,152.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,155.70 : 22,737.21 = 4,767.45 : x
  2. Step 2: Convert to fraction form
    15,155.70/22,737.21 = 4,767.45/x
  3. Step 3: Cross multiply
    15,155.70x = 22,737.21 × 4,767.45
  4. Step 4: Simplify right side
    15,155.70x = 108,398,511.81
  5. Step 5: Solve for x
    x = 108,398,511.81/15,155.70
  6. Step 6: Final answer
    x = 7,152.33

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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.