Home / 25,718.03-35,490.71-14,387.47

Finding the Fourth Proportional to 25,718.03, 35,490.71 and 14,387.47

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Solution

The fourth proportional to 25,718.03, 35,490.71 and 14,387.47 is: 19,854.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,718.03 : 35,490.71 = 14,387.47 : x
  2. Step 2: Convert to fraction form
    25,718.03/35,490.71 = 14,387.47/x
  3. Step 3: Cross multiply
    25,718.03x = 35,490.71 × 14,387.47
  4. Step 4: Simplify right side
    25,718.03x = 510,621,591.35
  5. Step 5: Solve for x
    x = 510,621,591.35/25,718.03
  6. Step 6: Final answer
    x = 19,854.61

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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.