Home / 23,751.05-32,776.30-13,140.45

Finding the Fourth Proportional to 23,751.05, 32,776.30 and 13,140.45

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Solution

The fourth proportional to 23,751.05, 32,776.30 and 13,140.45 is: 18,133.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,751.05 : 32,776.30 = 13,140.45 : x
  2. Step 2: Convert to fraction form
    23,751.05/32,776.30 = 13,140.45/x
  3. Step 3: Cross multiply
    23,751.05x = 32,776.30 × 13,140.45
  4. Step 4: Simplify right side
    23,751.05x = 430,695,331.34
  5. Step 5: Solve for x
    x = 430,695,331.34/23,751.05
  6. Step 6: Final answer
    x = 18,133.74

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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.