Home / 13,357.59-20,038.28-5,040.65

Finding the Fourth Proportional to 13,357.59, 20,038.28 and 5,040.65

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Solution

The fourth proportional to 13,357.59, 20,038.28 and 5,040.65 is: 7,561.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,357.59 : 20,038.28 = 5,040.65 : x
  2. Step 2: Convert to fraction form
    13,357.59/20,038.28 = 5,040.65/x
  3. Step 3: Cross multiply
    13,357.59x = 20,038.28 × 5,040.65
  4. Step 4: Simplify right side
    13,357.59x = 101,005,830.69
  5. Step 5: Solve for x
    x = 101,005,830.69/13,357.59
  6. Step 6: Final answer
    x = 7,561.68

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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.