Home / 22,780.86-34,100.18-16,783.72

Finding the Fourth Proportional to 22,780.86, 34,100.18 and 16,783.72

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Solution

The fourth proportional to 22,780.86, 34,100.18 and 16,783.72 is: 25,123.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,780.86 : 34,100.18 = 16,783.72 : x
  2. Step 2: Convert to fraction form
    22,780.86/34,100.18 = 16,783.72/x
  3. Step 3: Cross multiply
    22,780.86x = 34,100.18 × 16,783.72
  4. Step 4: Simplify right side
    22,780.86x = 572,327,873.07
  5. Step 5: Solve for x
    x = 572,327,873.07/22,780.86
  6. Step 6: Final answer
    x = 25,123.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.