Home / 29,693.08-40,965.18-18,358.95

Finding the Fourth Proportional to 29,693.08, 40,965.18 and 18,358.95

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Solution

The fourth proportional to 29,693.08, 40,965.18 and 18,358.95 is: 25,328.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,693.08 : 40,965.18 = 18,358.95 : x
  2. Step 2: Convert to fraction form
    29,693.08/40,965.18 = 18,358.95/x
  3. Step 3: Cross multiply
    29,693.08x = 40,965.18 × 18,358.95
  4. Step 4: Simplify right side
    29,693.08x = 752,077,776.13
  5. Step 5: Solve for x
    x = 752,077,776.13/29,693.08
  6. Step 6: Final answer
    x = 25,328.38

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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.