Home / 27,376.17-37,802.14-18,453.21

Finding the Fourth Proportional to 27,376.17, 37,802.14 and 18,453.21

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Solution

The fourth proportional to 27,376.17, 37,802.14 and 18,453.21 is: 25,480.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,376.17 : 37,802.14 = 18,453.21 : x
  2. Step 2: Convert to fraction form
    27,376.17/37,802.14 = 18,453.21/x
  3. Step 3: Cross multiply
    27,376.17x = 37,802.14 × 18,453.21
  4. Step 4: Simplify right side
    27,376.17x = 697,570,781.74
  5. Step 5: Solve for x
    x = 697,570,781.74/27,376.17
  6. Step 6: Final answer
    x = 25,480.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.