Home / 25,638.16-35,380.66-14,153.08

Finding the Fourth Proportional to 25,638.16, 35,380.66 and 14,153.08

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Solution

The fourth proportional to 25,638.16, 35,380.66 and 14,153.08 is: 19,531.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,638.16 : 35,380.66 = 14,153.08 : x
  2. Step 2: Convert to fraction form
    25,638.16/35,380.66 = 14,153.08/x
  3. Step 3: Cross multiply
    25,638.16x = 35,380.66 × 14,153.08
  4. Step 4: Simplify right side
    25,638.16x = 500,745,134.53
  5. Step 5: Solve for x
    x = 500,745,134.53/25,638.16
  6. Step 6: Final answer
    x = 19,531.25

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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.