Home / 16,143.35-22,278.23-8,875.35

Finding the Fourth Proportional to 16,143.35, 22,278.23 and 8,875.35

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Solution

The fourth proportional to 16,143.35, 22,278.23 and 8,875.35 is: 12,248.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,143.35 : 22,278.23 = 8,875.35 : x
  2. Step 2: Convert to fraction form
    16,143.35/22,278.23 = 8,875.35/x
  3. Step 3: Cross multiply
    16,143.35x = 22,278.23 × 8,875.35
  4. Step 4: Simplify right side
    16,143.35x = 197,727,088.63
  5. Step 5: Solve for x
    x = 197,727,088.63/16,143.35
  6. Step 6: Final answer
    x = 12,248.21

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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.