Home / 27,569.77-41,358.76-12,780.18

Finding the Fourth Proportional to 27,569.77, 41,358.76 and 12,780.18

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Solution

The fourth proportional to 27,569.77, 41,358.76 and 12,780.18 is: 19,172.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,569.77 : 41,358.76 = 12,780.18 : x
  2. Step 2: Convert to fraction form
    27,569.77/41,358.76 = 12,780.18/x
  3. Step 3: Cross multiply
    27,569.77x = 41,358.76 × 12,780.18
  4. Step 4: Simplify right side
    27,569.77x = 528,572,436.87
  5. Step 5: Solve for x
    x = 528,572,436.87/27,569.77
  6. Step 6: Final answer
    x = 19,172.17

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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.