Home / 25,475.59-35,155.62-15,272.38

Finding the Fourth Proportional to 25,475.59, 35,155.62 and 15,272.38

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Solution

The fourth proportional to 25,475.59, 35,155.62 and 15,272.38 is: 21,075.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,475.59 : 35,155.62 = 15,272.38 : x
  2. Step 2: Convert to fraction form
    25,475.59/35,155.62 = 15,272.38/x
  3. Step 3: Cross multiply
    25,475.59x = 35,155.62 × 15,272.38
  4. Step 4: Simplify right side
    25,475.59x = 536,909,987.78
  5. Step 5: Solve for x
    x = 536,909,987.78/25,475.59
  6. Step 6: Final answer
    x = 21,075.47

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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.