Home / 39,516.19-59,261.98-13,214.78

Finding the Fourth Proportional to 39,516.19, 59,261.98 and 13,214.78

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Solution

The fourth proportional to 39,516.19, 59,261.98 and 13,214.78 is: 19,818.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,516.19 : 59,261.98 = 13,214.78 : x
  2. Step 2: Convert to fraction form
    39,516.19/59,261.98 = 13,214.78/x
  3. Step 3: Cross multiply
    39,516.19x = 59,261.98 × 13,214.78
  4. Step 4: Simplify right side
    39,516.19x = 783,134,028.06
  5. Step 5: Solve for x
    x = 783,134,028.06/39,516.19
  6. Step 6: Final answer
    x = 19,818.06

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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.