Home / 25,488.59-35,172.75-14,157.43

Finding the Fourth Proportional to 25,488.59, 35,172.75 and 14,157.43

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Solution

The fourth proportional to 25,488.59, 35,172.75 and 14,157.43 is: 19,536.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,488.59 : 35,172.75 = 14,157.43 : x
  2. Step 2: Convert to fraction form
    25,488.59/35,172.75 = 14,157.43/x
  3. Step 3: Cross multiply
    25,488.59x = 35,172.75 × 14,157.43
  4. Step 4: Simplify right side
    25,488.59x = 497,955,829.40
  5. Step 5: Solve for x
    x = 497,955,829.40/25,488.59
  6. Step 6: Final answer
    x = 19,536.42

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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.