Home / 23,301.03-32,155.79-12,690.66

Finding the Fourth Proportional to 23,301.03, 32,155.79 and 12,690.66

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Solution

The fourth proportional to 23,301.03, 32,155.79 and 12,690.66 is: 17,513.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,301.03 : 32,155.79 = 12,690.66 : x
  2. Step 2: Convert to fraction form
    23,301.03/32,155.79 = 12,690.66/x
  3. Step 3: Cross multiply
    23,301.03x = 32,155.79 × 12,690.66
  4. Step 4: Simplify right side
    23,301.03x = 408,077,973.69
  5. Step 5: Solve for x
    x = 408,077,973.69/23,301.03
  6. Step 6: Final answer
    x = 17,513.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.