Home / 39,717.18-59,584.34-13,421.34

Finding the Fourth Proportional to 39,717.18, 59,584.34 and 13,421.34

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Solution

The fourth proportional to 39,717.18, 59,584.34 and 13,421.34 is: 20,134.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,717.18 : 59,584.34 = 13,421.34 : x
  2. Step 2: Convert to fraction form
    39,717.18/59,584.34 = 13,421.34/x
  3. Step 3: Cross multiply
    39,717.18x = 59,584.34 × 13,421.34
  4. Step 4: Simplify right side
    39,717.18x = 799,701,719.37
  5. Step 5: Solve for x
    x = 799,701,719.37/39,717.18
  6. Step 6: Final answer
    x = 20,134.91

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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.