Home / 16,421.58-22,657.61-10,045.85

Finding the Fourth Proportional to 16,421.58, 22,657.61 and 10,045.85

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Solution

The fourth proportional to 16,421.58, 22,657.61 and 10,045.85 is: 13,860.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,421.58 : 22,657.61 = 10,045.85 : x
  2. Step 2: Convert to fraction form
    16,421.58/22,657.61 = 10,045.85/x
  3. Step 3: Cross multiply
    16,421.58x = 22,657.61 × 10,045.85
  4. Step 4: Simplify right side
    16,421.58x = 227,614,951.42
  5. Step 5: Solve for x
    x = 227,614,951.42/16,421.58
  6. Step 6: Final answer
    x = 13,860.72

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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.