Home / 39,514.10-59,258.81-13,212.70

Finding the Fourth Proportional to 39,514.10, 59,258.81 and 13,212.70

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Solution

The fourth proportional to 39,514.10, 59,258.81 and 13,212.70 is: 19,814.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,514.10 : 59,258.81 = 13,212.70 : x
  2. Step 2: Convert to fraction form
    39,514.10/59,258.81 = 13,212.70/x
  3. Step 3: Cross multiply
    39,514.10x = 59,258.81 × 13,212.70
  4. Step 4: Simplify right side
    39,514.10x = 782,968,763.77
  5. Step 5: Solve for x
    x = 782,968,763.77/39,514.10
  6. Step 6: Final answer
    x = 19,814.92

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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.