Home / 25,279.84-34,887.78-14,528.16

Finding the Fourth Proportional to 25,279.84, 34,887.78 and 14,528.16

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Solution

The fourth proportional to 25,279.84, 34,887.78 and 14,528.16 is: 20,049.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,279.84 : 34,887.78 = 14,528.16 : x
  2. Step 2: Convert to fraction form
    25,279.84/34,887.78 = 14,528.16/x
  3. Step 3: Cross multiply
    25,279.84x = 34,887.78 × 14,528.16
  4. Step 4: Simplify right side
    25,279.84x = 506,855,249.88
  5. Step 5: Solve for x
    x = 506,855,249.88/25,279.84
  6. Step 6: Final answer
    x = 20,049.78

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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.