Home / 25,713.78-35,488.29-14,383.90

Finding the Fourth Proportional to 25,713.78, 35,488.29 and 14,383.90

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Solution

The fourth proportional to 25,713.78, 35,488.29 and 14,383.90 is: 19,851.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,713.78 : 35,488.29 = 14,383.90 : x
  2. Step 2: Convert to fraction form
    25,713.78/35,488.29 = 14,383.90/x
  3. Step 3: Cross multiply
    25,713.78x = 35,488.29 × 14,383.90
  4. Step 4: Simplify right side
    25,713.78x = 510,460,112.83
  5. Step 5: Solve for x
    x = 510,460,112.83/25,713.78
  6. Step 6: Final answer
    x = 19,851.62

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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.