Home / 25,419.76-35,080.14-14,089.12

Finding the Fourth Proportional to 25,419.76, 35,080.14 and 14,089.12

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Solution

The fourth proportional to 25,419.76, 35,080.14 and 14,089.12 is: 19,443.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,419.76 : 35,080.14 = 14,089.12 : x
  2. Step 2: Convert to fraction form
    25,419.76/35,080.14 = 14,089.12/x
  3. Step 3: Cross multiply
    25,419.76x = 35,080.14 × 14,089.12
  4. Step 4: Simplify right side
    25,419.76x = 494,248,302.08
  5. Step 5: Solve for x
    x = 494,248,302.08/25,419.76
  6. Step 6: Final answer
    x = 19,443.47

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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.