Home / 14,875.97-20,529.04-8,161.47

Finding the Fourth Proportional to 14,875.97, 20,529.04 and 8,161.47

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Solution

The fourth proportional to 14,875.97, 20,529.04 and 8,161.47 is: 11,262.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,875.97 : 20,529.04 = 8,161.47 : x
  2. Step 2: Convert to fraction form
    14,875.97/20,529.04 = 8,161.47/x
  3. Step 3: Cross multiply
    14,875.97x = 20,529.04 × 8,161.47
  4. Step 4: Simplify right side
    14,875.97x = 167,547,144.09
  5. Step 5: Solve for x
    x = 167,547,144.09/14,875.97
  6. Step 6: Final answer
    x = 11,262.94

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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.