Home / 16,658.24-22,977.80-12,670.61

Finding the Fourth Proportional to 16,658.24, 22,977.80 and 12,670.61

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Solution

The fourth proportional to 16,658.24, 22,977.80 and 12,670.61 is: 17,477.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,658.24 : 22,977.80 = 12,670.61 : x
  2. Step 2: Convert to fraction form
    16,658.24/22,977.80 = 12,670.61/x
  3. Step 3: Cross multiply
    16,658.24x = 22,977.80 × 12,670.61
  4. Step 4: Simplify right side
    16,658.24x = 291,142,742.46
  5. Step 5: Solve for x
    x = 291,142,742.46/16,658.24
  6. Step 6: Final answer
    x = 17,477.40

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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.