Home / 27,436.74-41,154.53-12,645.66

Finding the Fourth Proportional to 27,436.74, 41,154.53 and 12,645.66

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Solution

The fourth proportional to 27,436.74, 41,154.53 and 12,645.66 is: 18,968.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,436.74 : 41,154.53 = 12,645.66 : x
  2. Step 2: Convert to fraction form
    27,436.74/41,154.53 = 12,645.66/x
  3. Step 3: Cross multiply
    27,436.74x = 41,154.53 × 12,645.66
  4. Step 4: Simplify right side
    27,436.74x = 520,426,130.61
  5. Step 5: Solve for x
    x = 520,426,130.61/27,436.74
  6. Step 6: Final answer
    x = 18,968.22

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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.