Home / 14,875.47-20,528.73-8,161.38

Finding the Fourth Proportional to 14,875.47, 20,528.73 and 8,161.38

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Solution

The fourth proportional to 14,875.47, 20,528.73 and 8,161.38 is: 11,263.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,875.47 : 20,528.73 = 8,161.38 : x
  2. Step 2: Convert to fraction form
    14,875.47/20,528.73 = 8,161.38/x
  3. Step 3: Cross multiply
    14,875.47x = 20,528.73 × 8,161.38
  4. Step 4: Simplify right side
    14,875.47x = 167,542,766.45
  5. Step 5: Solve for x
    x = 167,542,766.45/14,875.47
  6. Step 6: Final answer
    x = 11,263.02

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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.