Home / 13,357.11-20,045.51-6,337.15

Finding the Fourth Proportional to 13,357.11, 20,045.51 and 6,337.15

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Solution

The fourth proportional to 13,357.11, 20,045.51 and 6,337.15 is: 9,510.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,357.11 : 20,045.51 = 6,337.15 : x
  2. Step 2: Convert to fraction form
    13,357.11/20,045.51 = 6,337.15/x
  3. Step 3: Cross multiply
    13,357.11x = 20,045.51 × 6,337.15
  4. Step 4: Simplify right side
    13,357.11x = 127,031,403.70
  5. Step 5: Solve for x
    x = 127,031,403.70/13,357.11
  6. Step 6: Final answer
    x = 9,510.40

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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.