Home / 25,979.40-35,851.59-14,042.70

Finding the Fourth Proportional to 25,979.40, 35,851.59 and 14,042.70

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Solution

The fourth proportional to 25,979.40, 35,851.59 and 14,042.70 is: 19,378.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,979.40 : 35,851.59 = 14,042.70 : x
  2. Step 2: Convert to fraction form
    25,979.40/35,851.59 = 14,042.70/x
  3. Step 3: Cross multiply
    25,979.40x = 35,851.59 × 14,042.70
  4. Step 4: Simplify right side
    25,979.40x = 503,453,122.89
  5. Step 5: Solve for x
    x = 503,453,122.89/25,979.40
  6. Step 6: Final answer
    x = 19,378.94

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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.