Home / 16,770.15-23,129.07-10,392.31

Finding the Fourth Proportional to 16,770.15, 23,129.07 and 10,392.31

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Solution

The fourth proportional to 16,770.15, 23,129.07 and 10,392.31 is: 14,332.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,770.15 : 23,129.07 = 10,392.31 : x
  2. Step 2: Convert to fraction form
    16,770.15/23,129.07 = 10,392.31/x
  3. Step 3: Cross multiply
    16,770.15x = 23,129.07 × 10,392.31
  4. Step 4: Simplify right side
    16,770.15x = 240,364,465.45
  5. Step 5: Solve for x
    x = 240,364,465.45/16,770.15
  6. Step 6: Final answer
    x = 14,332.88

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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.