Home / 25,871.52-35,681.04-15,918.24

Finding the Fourth Proportional to 25,871.52, 35,681.04 and 15,918.24

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Solution

The fourth proportional to 25,871.52, 35,681.04 and 15,918.24 is: 21,953.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,871.52 : 35,681.04 = 15,918.24 : x
  2. Step 2: Convert to fraction form
    25,871.52/35,681.04 = 15,918.24/x
  3. Step 3: Cross multiply
    25,871.52x = 35,681.04 × 15,918.24
  4. Step 4: Simplify right side
    25,871.52x = 567,979,358.17
  5. Step 5: Solve for x
    x = 567,979,358.17/25,871.52
  6. Step 6: Final answer
    x = 21,953.85

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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.