Home / 25,587.36-38,392.56-13,883.04

Finding the Fourth Proportional to 25,587.36, 38,392.56 and 13,883.04

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Solution

The fourth proportional to 25,587.36, 38,392.56 and 13,883.04 is: 20,830.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,587.36 : 38,392.56 = 13,883.04 : x
  2. Step 2: Convert to fraction form
    25,587.36/38,392.56 = 13,883.04/x
  3. Step 3: Cross multiply
    25,587.36x = 38,392.56 × 13,883.04
  4. Step 4: Simplify right side
    25,587.36x = 533,005,446.18
  5. Step 5: Solve for x
    x = 533,005,446.18/25,587.36
  6. Step 6: Final answer
    x = 20,830.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.