Home / 25,011.81-34,515.18-14,399.19

Finding the Fourth Proportional to 25,011.81, 34,515.18 and 14,399.19

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Solution

The fourth proportional to 25,011.81, 34,515.18 and 14,399.19 is: 19,870.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,011.81 : 34,515.18 = 14,399.19 : x
  2. Step 2: Convert to fraction form
    25,011.81/34,515.18 = 14,399.19/x
  3. Step 3: Cross multiply
    25,011.81x = 34,515.18 × 14,399.19
  4. Step 4: Simplify right side
    25,011.81x = 496,990,634.70
  5. Step 5: Solve for x
    x = 496,990,634.70/25,011.81
  6. Step 6: Final answer
    x = 19,870.24

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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.