Home / 27,377.74-37,781.30-14,802.49

Finding the Fourth Proportional to 27,377.74, 37,781.30 and 14,802.49

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Solution

The fourth proportional to 27,377.74, 37,781.30 and 14,802.49 is: 20,427.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,377.74 : 37,781.30 = 14,802.49 : x
  2. Step 2: Convert to fraction form
    27,377.74/37,781.30 = 14,802.49/x
  3. Step 3: Cross multiply
    27,377.74x = 37,781.30 × 14,802.49
  4. Step 4: Simplify right side
    27,377.74x = 559,257,315.44
  5. Step 5: Solve for x
    x = 559,257,315.44/27,377.74
  6. Step 6: Final answer
    x = 20,427.45

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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.