Home / 25,478.88-35,160.20-14,148.08

Finding the Fourth Proportional to 25,478.88, 35,160.20 and 14,148.08

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Solution

The fourth proportional to 25,478.88, 35,160.20 and 14,148.08 is: 19,523.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,478.88 : 35,160.20 = 14,148.08 : x
  2. Step 2: Convert to fraction form
    25,478.88/35,160.20 = 14,148.08/x
  3. Step 3: Cross multiply
    25,478.88x = 35,160.20 × 14,148.08
  4. Step 4: Simplify right side
    25,478.88x = 497,449,322.42
  5. Step 5: Solve for x
    x = 497,449,322.42/25,478.88
  6. Step 6: Final answer
    x = 19,523.99

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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.