Home / 14,545.61-20,080.58-9,790.57

Finding the Fourth Proportional to 14,545.61, 20,080.58 and 9,790.57

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Solution

The fourth proportional to 14,545.61, 20,080.58 and 9,790.57 is: 13,516.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,545.61 : 20,080.58 = 9,790.57 : x
  2. Step 2: Convert to fraction form
    14,545.61/20,080.58 = 9,790.57/x
  3. Step 3: Cross multiply
    14,545.61x = 20,080.58 × 9,790.57
  4. Step 4: Simplify right side
    14,545.61x = 196,600,300.28
  5. Step 5: Solve for x
    x = 196,600,300.28/14,545.61
  6. Step 6: Final answer
    x = 13,516.13

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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.