Home / 25,979.07-35,851.29-14,042.40

Finding the Fourth Proportional to 25,979.07, 35,851.29 and 14,042.40

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Solution

The fourth proportional to 25,979.07, 35,851.29 and 14,042.40 is: 19,378.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,979.07 : 35,851.29 = 14,042.40 : x
  2. Step 2: Convert to fraction form
    25,979.07/35,851.29 = 14,042.40/x
  3. Step 3: Cross multiply
    25,979.07x = 35,851.29 × 14,042.40
  4. Step 4: Simplify right side
    25,979.07x = 503,438,154.70
  5. Step 5: Solve for x
    x = 503,438,154.70/25,979.07
  6. Step 6: Final answer
    x = 19,378.61

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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.