Home / 13,005.95-17,948.14-7,037.57

Finding the Fourth Proportional to 13,005.95, 17,948.14 and 7,037.57

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Solution

The fourth proportional to 13,005.95, 17,948.14 and 7,037.57 is: 9,711.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,005.95 : 17,948.14 = 7,037.57 : x
  2. Step 2: Convert to fraction form
    13,005.95/17,948.14 = 7,037.57/x
  3. Step 3: Cross multiply
    13,005.95x = 17,948.14 × 7,037.57
  4. Step 4: Simplify right side
    13,005.95x = 126,311,318.90
  5. Step 5: Solve for x
    x = 126,311,318.90/13,005.95
  6. Step 6: Final answer
    x = 9,711.81

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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.