Home / 20,546.93-28,345.76-12,044.74

Finding the Fourth Proportional to 20,546.93, 28,345.76 and 12,044.74

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Solution

The fourth proportional to 20,546.93, 28,345.76 and 12,044.74 is: 16,616.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,546.93 : 28,345.76 = 12,044.74 : x
  2. Step 2: Convert to fraction form
    20,546.93/28,345.76 = 12,044.74/x
  3. Step 3: Cross multiply
    20,546.93x = 28,345.76 × 12,044.74
  4. Step 4: Simplify right side
    20,546.93x = 341,417,162.93
  5. Step 5: Solve for x
    x = 341,417,162.93/20,546.93
  6. Step 6: Final answer
    x = 16,616.46

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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.