Home / 22,779.27-31,435.44-12,707.46

Finding the Fourth Proportional to 22,779.27, 31,435.44 and 12,707.46

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Solution

The fourth proportional to 22,779.27, 31,435.44 and 12,707.46 is: 17,536.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,779.27 : 31,435.44 = 12,707.46 : x
  2. Step 2: Convert to fraction form
    22,779.27/31,435.44 = 12,707.46/x
  3. Step 3: Cross multiply
    22,779.27x = 31,435.44 × 12,707.46
  4. Step 4: Simplify right side
    22,779.27x = 399,464,596.38
  5. Step 5: Solve for x
    x = 399,464,596.38/22,779.27
  6. Step 6: Final answer
    x = 17,536.32

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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.