Home / 25,613.92-35,344.68-18,903.16

Finding the Fourth Proportional to 25,613.92, 35,344.68 and 18,903.16

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Solution

The fourth proportional to 25,613.92, 35,344.68 and 18,903.16 is: 26,084.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,613.92 : 35,344.68 = 18,903.16 : x
  2. Step 2: Convert to fraction form
    25,613.92/35,344.68 = 18,903.16/x
  3. Step 3: Cross multiply
    25,613.92x = 35,344.68 × 18,903.16
  4. Step 4: Simplify right side
    25,613.92x = 668,126,141.19
  5. Step 5: Solve for x
    x = 668,126,141.19/25,613.92
  6. Step 6: Final answer
    x = 26,084.49

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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.