Home / 34,587.81-51,860.39-13,503.30

Finding the Fourth Proportional to 34,587.81, 51,860.39 and 13,503.30

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Solution

The fourth proportional to 34,587.81, 51,860.39 and 13,503.30 is: 20,246.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,587.81 : 51,860.39 = 13,503.30 : x
  2. Step 2: Convert to fraction form
    34,587.81/51,860.39 = 13,503.30/x
  3. Step 3: Cross multiply
    34,587.81x = 51,860.39 × 13,503.30
  4. Step 4: Simplify right side
    34,587.81x = 700,286,404.29
  5. Step 5: Solve for x
    x = 700,286,404.29/34,587.81
  6. Step 6: Final answer
    x = 20,246.63

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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.