Home / 31,595.67-47,402.28-13,823.15

Finding the Fourth Proportional to 31,595.67, 47,402.28 and 13,823.15

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Solution

The fourth proportional to 31,595.67, 47,402.28 and 13,823.15 is: 20,738.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,595.67 : 47,402.28 = 13,823.15 : x
  2. Step 2: Convert to fraction form
    31,595.67/47,402.28 = 13,823.15/x
  3. Step 3: Cross multiply
    31,595.67x = 47,402.28 × 13,823.15
  4. Step 4: Simplify right side
    31,595.67x = 655,248,589.77
  5. Step 5: Solve for x
    x = 655,248,589.77/31,595.67
  6. Step 6: Final answer
    x = 20,738.56

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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.