Home / 37,821.69-56,726.05-12,513.40

Finding the Fourth Proportional to 37,821.69, 56,726.05 and 12,513.40

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Solution

The fourth proportional to 37,821.69, 56,726.05 and 12,513.40 is: 18,767.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,821.69 : 56,726.05 = 12,513.40 : x
  2. Step 2: Convert to fraction form
    37,821.69/56,726.05 = 12,513.40/x
  3. Step 3: Cross multiply
    37,821.69x = 56,726.05 × 12,513.40
  4. Step 4: Simplify right side
    37,821.69x = 709,835,580.97
  5. Step 5: Solve for x
    x = 709,835,580.97/37,821.69
  6. Step 6: Final answer
    x = 18,767.95

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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.