Home / 25,652.07-35,390.12-15,576.71

Finding the Fourth Proportional to 25,652.07, 35,390.12 and 15,576.71

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Solution

The fourth proportional to 25,652.07, 35,390.12 and 15,576.71 is: 21,489.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,652.07 : 35,390.12 = 15,576.71 : x
  2. Step 2: Convert to fraction form
    25,652.07/35,390.12 = 15,576.71/x
  3. Step 3: Cross multiply
    25,652.07x = 35,390.12 × 15,576.71
  4. Step 4: Simplify right side
    25,652.07x = 551,261,381.27
  5. Step 5: Solve for x
    x = 551,261,381.27/25,652.07
  6. Step 6: Final answer
    x = 21,489.94

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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.