Home / 13,095.23-18,070.85-7,126.92

Finding the Fourth Proportional to 13,095.23, 18,070.85 and 7,126.92

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Solution

The fourth proportional to 13,095.23, 18,070.85 and 7,126.92 is: 9,834.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,095.23 : 18,070.85 = 7,126.92 : x
  2. Step 2: Convert to fraction form
    13,095.23/18,070.85 = 7,126.92/x
  3. Step 3: Cross multiply
    13,095.23x = 18,070.85 × 7,126.92
  4. Step 4: Simplify right side
    13,095.23x = 128,789,520.10
  5. Step 5: Solve for x
    x = 128,789,520.10/13,095.23
  6. Step 6: Final answer
    x = 9,834.85

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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.