Home / 25,375.13-35,017.74-14,045.40

Finding the Fourth Proportional to 25,375.13, 35,017.74 and 14,045.40

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Solution

The fourth proportional to 25,375.13, 35,017.74 and 14,045.40 is: 19,382.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,375.13 : 35,017.74 = 14,045.40 : x
  2. Step 2: Convert to fraction form
    25,375.13/35,017.74 = 14,045.40/x
  3. Step 3: Cross multiply
    25,375.13x = 35,017.74 × 14,045.40
  4. Step 4: Simplify right side
    25,375.13x = 491,838,226.72
  5. Step 5: Solve for x
    x = 491,838,226.72/25,375.13
  6. Step 6: Final answer
    x = 19,382.69

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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.