Home / 22,779.68-34,139.70-12,237.37

Finding the Fourth Proportional to 22,779.68, 34,139.70 and 12,237.37

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Solution

The fourth proportional to 22,779.68, 34,139.70 and 12,237.37 is: 18,340.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,779.68 : 34,139.70 = 12,237.37 : x
  2. Step 2: Convert to fraction form
    22,779.68/34,139.70 = 12,237.37/x
  3. Step 3: Cross multiply
    22,779.68x = 34,139.70 × 12,237.37
  4. Step 4: Simplify right side
    22,779.68x = 417,780,055.24
  5. Step 5: Solve for x
    x = 417,780,055.24/22,779.68
  6. Step 6: Final answer
    x = 18,340.04

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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.