Home / 14,781.48-20,363.79-10,297.12

Finding the Fourth Proportional to 14,781.48, 20,363.79 and 10,297.12

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Solution

The fourth proportional to 14,781.48, 20,363.79 and 10,297.12 is: 14,185.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,781.48 : 20,363.79 = 10,297.12 : x
  2. Step 2: Convert to fraction form
    14,781.48/20,363.79 = 10,297.12/x
  3. Step 3: Cross multiply
    14,781.48x = 20,363.79 × 10,297.12
  4. Step 4: Simplify right side
    14,781.48x = 209,688,389.28
  5. Step 5: Solve for x
    x = 209,688,389.28/14,781.48
  6. Step 6: Final answer
    x = 14,185.89

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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.