Home / 25,795.68-38,707.84-13,949.16

Finding the Fourth Proportional to 25,795.68, 38,707.84 and 13,949.16

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Solution

The fourth proportional to 25,795.68, 38,707.84 and 13,949.16 is: 20,931.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,795.68 : 38,707.84 = 13,949.16 : x
  2. Step 2: Convert to fraction form
    25,795.68/38,707.84 = 13,949.16/x
  3. Step 3: Cross multiply
    25,795.68x = 38,707.84 × 13,949.16
  4. Step 4: Simplify right side
    25,795.68x = 539,941,853.41
  5. Step 5: Solve for x
    x = 539,941,853.41/25,795.68
  6. Step 6: Final answer
    x = 20,931.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.