Home / 25,139.12-34,690.64-14,384.22

Finding the Fourth Proportional to 25,139.12, 34,690.64 and 14,384.22

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Solution

The fourth proportional to 25,139.12, 34,690.64 and 14,384.22 is: 19,849.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,139.12 : 34,690.64 = 14,384.22 : x
  2. Step 2: Convert to fraction form
    25,139.12/34,690.64 = 14,384.22/x
  3. Step 3: Cross multiply
    25,139.12x = 34,690.64 × 14,384.22
  4. Step 4: Simplify right side
    25,139.12x = 498,997,797.70
  5. Step 5: Solve for x
    x = 498,997,797.70/25,139.12
  6. Step 6: Final answer
    x = 19,849.45

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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.