Home / 20,595.67-30,875.18-7,445.12

Finding the Fourth Proportional to 20,595.67, 30,875.18 and 7,445.12

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Solution

The fourth proportional to 20,595.67, 30,875.18 and 7,445.12 is: 11,161.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,595.67 : 30,875.18 = 7,445.12 : x
  2. Step 2: Convert to fraction form
    20,595.67/30,875.18 = 7,445.12/x
  3. Step 3: Cross multiply
    20,595.67x = 30,875.18 × 7,445.12
  4. Step 4: Simplify right side
    20,595.67x = 229,869,420.12
  5. Step 5: Solve for x
    x = 229,869,420.12/20,595.67
  6. Step 6: Final answer
    x = 11,161.06

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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.