Home / 15,038.53-22,545.77-7,137.07

Finding the Fourth Proportional to 15,038.53, 22,545.77 and 7,137.07

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Solution

The fourth proportional to 15,038.53, 22,545.77 and 7,137.07 is: 10,699.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,038.53 : 22,545.77 = 7,137.07 : x
  2. Step 2: Convert to fraction form
    15,038.53/22,545.77 = 7,137.07/x
  3. Step 3: Cross multiply
    15,038.53x = 22,545.77 × 7,137.07
  4. Step 4: Simplify right side
    15,038.53x = 160,910,738.69
  5. Step 5: Solve for x
    x = 160,910,738.69/15,038.53
  6. Step 6: Final answer
    x = 10,699.90

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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.