Home / 16,818.18-23,207.90-10,011.84

Finding the Fourth Proportional to 16,818.18, 23,207.90 and 10,011.84

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Solution

The fourth proportional to 16,818.18, 23,207.90 and 10,011.84 is: 13,815.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,818.18 : 23,207.90 = 10,011.84 : x
  2. Step 2: Convert to fraction form
    16,818.18/23,207.90 = 10,011.84/x
  3. Step 3: Cross multiply
    16,818.18x = 23,207.90 × 10,011.84
  4. Step 4: Simplify right side
    16,818.18x = 232,353,731.48
  5. Step 5: Solve for x
    x = 232,353,731.48/16,818.18
  6. Step 6: Final answer
    x = 13,815.63

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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.