Home / 25,150.40-34,707.38-13,820.02

Finding the Fourth Proportional to 25,150.40, 34,707.38 and 13,820.02

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Solution

The fourth proportional to 25,150.40, 34,707.38 and 13,820.02 is: 19,071.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,150.40 : 34,707.38 = 13,820.02 : x
  2. Step 2: Convert to fraction form
    25,150.40/34,707.38 = 13,820.02/x
  3. Step 3: Cross multiply
    25,150.40x = 34,707.38 × 13,820.02
  4. Step 4: Simplify right side
    25,150.40x = 479,656,685.75
  5. Step 5: Solve for x
    x = 479,656,685.75/25,150.40
  6. Step 6: Final answer
    x = 19,071.53

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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.