Home / 25,278.01-34,883.12-13,947.08

Finding the Fourth Proportional to 25,278.01, 34,883.12 and 13,947.08

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Solution

The fourth proportional to 25,278.01, 34,883.12 and 13,947.08 is: 19,246.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,278.01 : 34,883.12 = 13,947.08 : x
  2. Step 2: Convert to fraction form
    25,278.01/34,883.12 = 13,947.08/x
  3. Step 3: Cross multiply
    25,278.01x = 34,883.12 × 13,947.08
  4. Step 4: Simplify right side
    25,278.01x = 486,517,525.74
  5. Step 5: Solve for x
    x = 486,517,525.74/25,278.01
  6. Step 6: Final answer
    x = 19,246.67

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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.