Home / 22,506.48-31,038.76-18,742.11

Finding the Fourth Proportional to 22,506.48, 31,038.76 and 18,742.11

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Solution

The fourth proportional to 22,506.48, 31,038.76 and 18,742.11 is: 25,847.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,506.48 : 31,038.76 = 18,742.11 : x
  2. Step 2: Convert to fraction form
    22,506.48/31,038.76 = 18,742.11/x
  3. Step 3: Cross multiply
    22,506.48x = 31,038.76 × 18,742.11
  4. Step 4: Simplify right side
    22,506.48x = 581,731,854.18
  5. Step 5: Solve for x
    x = 581,731,854.18/22,506.48
  6. Step 6: Final answer
    x = 25,847.31

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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.