Home / 16,758.86-23,138.06-10,392.21

Finding the Fourth Proportional to 16,758.86, 23,138.06 and 10,392.21

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Solution

The fourth proportional to 16,758.86, 23,138.06 and 10,392.21 is: 14,347.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,758.86 : 23,138.06 = 10,392.21 : x
  2. Step 2: Convert to fraction form
    16,758.86/23,138.06 = 10,392.21/x
  3. Step 3: Cross multiply
    16,758.86x = 23,138.06 × 10,392.21
  4. Step 4: Simplify right side
    16,758.86x = 240,455,526.55
  5. Step 5: Solve for x
    x = 240,455,526.55/16,758.86
  6. Step 6: Final answer
    x = 14,347.97

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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.