Home / 14,398.80-21,604.47-5,045.55

Finding the Fourth Proportional to 14,398.80, 21,604.47 and 5,045.55

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Solution

The fourth proportional to 14,398.80, 21,604.47 and 5,045.55 is: 7,570.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,398.80 : 21,604.47 = 5,045.55 : x
  2. Step 2: Convert to fraction form
    14,398.80/21,604.47 = 5,045.55/x
  3. Step 3: Cross multiply
    14,398.80x = 21,604.47 × 5,045.55
  4. Step 4: Simplify right side
    14,398.80x = 109,006,433.61
  5. Step 5: Solve for x
    x = 109,006,433.61/14,398.80
  6. Step 6: Final answer
    x = 7,570.52

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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.