Home / 23,290.46-32,140.97-12,680.07

Finding the Fourth Proportional to 23,290.46, 32,140.97 and 12,680.07

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Solution

The fourth proportional to 23,290.46, 32,140.97 and 12,680.07 is: 17,498.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,290.46 : 32,140.97 = 12,680.07 : x
  2. Step 2: Convert to fraction form
    23,290.46/32,140.97 = 12,680.07/x
  3. Step 3: Cross multiply
    23,290.46x = 32,140.97 × 12,680.07
  4. Step 4: Simplify right side
    23,290.46x = 407,549,749.47
  5. Step 5: Solve for x
    x = 407,549,749.47/23,290.46
  6. Step 6: Final answer
    x = 17,498.57

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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.