Home / 42,569.99-63,860.28-14,487.89

Finding the Fourth Proportional to 42,569.99, 63,860.28 and 14,487.89

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Solution

The fourth proportional to 42,569.99, 63,860.28 and 14,487.89 is: 21,733.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,569.99 : 63,860.28 = 14,487.89 : x
  2. Step 2: Convert to fraction form
    42,569.99/63,860.28 = 14,487.89/x
  3. Step 3: Cross multiply
    42,569.99x = 63,860.28 × 14,487.89
  4. Step 4: Simplify right side
    42,569.99x = 925,200,392.71
  5. Step 5: Solve for x
    x = 925,200,392.71/42,569.99
  6. Step 6: Final answer
    x = 21,733.63

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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.