Home / 25,319.96-34,935.34-15,767.36

Finding the Fourth Proportional to 25,319.96, 34,935.34 and 15,767.36

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Solution

The fourth proportional to 25,319.96, 34,935.34 and 15,767.36 is: 21,755.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,319.96 : 34,935.34 = 15,767.36 : x
  2. Step 2: Convert to fraction form
    25,319.96/34,935.34 = 15,767.36/x
  3. Step 3: Cross multiply
    25,319.96x = 34,935.34 × 15,767.36
  4. Step 4: Simplify right side
    25,319.96x = 550,838,082.50
  5. Step 5: Solve for x
    x = 550,838,082.50/25,319.96
  6. Step 6: Final answer
    x = 21,755.09

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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.