Home / 25,486.49-35,170.13-14,156.70

Finding the Fourth Proportional to 25,486.49, 35,170.13 and 14,156.70

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Solution

The fourth proportional to 25,486.49, 35,170.13 and 14,156.70 is: 19,535.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,486.49 : 35,170.13 = 14,156.70 : x
  2. Step 2: Convert to fraction form
    25,486.49/35,170.13 = 14,156.70/x
  3. Step 3: Cross multiply
    25,486.49x = 35,170.13 × 14,156.70
  4. Step 4: Simplify right side
    25,486.49x = 497,892,979.37
  5. Step 5: Solve for x
    x = 497,892,979.37/25,486.49
  6. Step 6: Final answer
    x = 19,535.56

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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.