Home / 25,613.68-35,351.46-20,348.68

Finding the Fourth Proportional to 25,613.68, 35,351.46 and 20,348.68

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Solution

The fourth proportional to 25,613.68, 35,351.46 and 20,348.68 is: 28,084.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,613.68 : 35,351.46 = 20,348.68 : x
  2. Step 2: Convert to fraction form
    25,613.68/35,351.46 = 20,348.68/x
  3. Step 3: Cross multiply
    25,613.68x = 35,351.46 × 20,348.68
  4. Step 4: Simplify right side
    25,613.68x = 719,355,547.07
  5. Step 5: Solve for x
    x = 719,355,547.07/25,613.68
  6. Step 6: Final answer
    x = 28,084.82

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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.