Home / 25,086.30-34,619.28-17,128.32

Finding the Fourth Proportional to 25,086.30, 34,619.28 and 17,128.32

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Solution

The fourth proportional to 25,086.30, 34,619.28 and 17,128.32 is: 23,637.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,086.30 : 34,619.28 = 17,128.32 : x
  2. Step 2: Convert to fraction form
    25,086.30/34,619.28 = 17,128.32/x
  3. Step 3: Cross multiply
    25,086.30x = 34,619.28 × 17,128.32
  4. Step 4: Simplify right side
    25,086.30x = 592,970,106.01
  5. Step 5: Solve for x
    x = 592,970,106.01/25,086.30
  6. Step 6: Final answer
    x = 23,637.21

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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.