Home / 25,758.63-35,542.79-14,428.61

Finding the Fourth Proportional to 25,758.63, 35,542.79 and 14,428.61

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Solution

The fourth proportional to 25,758.63, 35,542.79 and 14,428.61 is: 19,909.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,758.63 : 35,542.79 = 14,428.61 : x
  2. Step 2: Convert to fraction form
    25,758.63/35,542.79 = 14,428.61/x
  3. Step 3: Cross multiply
    25,758.63x = 35,542.79 × 14,428.61
  4. Step 4: Simplify right side
    25,758.63x = 512,832,805.36
  5. Step 5: Solve for x
    x = 512,832,805.36/25,758.63
  6. Step 6: Final answer
    x = 19,909.16

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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.