Home / 25,875.52-35,686.56-15,922.24

Finding the Fourth Proportional to 25,875.52, 35,686.56 and 15,922.24

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Solution

The fourth proportional to 25,875.52, 35,686.56 and 15,922.24 is: 21,959.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,875.52 : 35,686.56 = 15,922.24 : x
  2. Step 2: Convert to fraction form
    25,875.52/35,686.56 = 15,922.24/x
  3. Step 3: Cross multiply
    25,875.52x = 35,686.56 × 15,922.24
  4. Step 4: Simplify right side
    25,875.52x = 568,209,973.09
  5. Step 5: Solve for x
    x = 568,209,973.09/25,875.52
  6. Step 6: Final answer
    x = 21,959.36

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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.