Home / 23,275.29-32,120.13-12,664.89

Finding the Fourth Proportional to 23,275.29, 32,120.13 and 12,664.89

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Solution

The fourth proportional to 23,275.29, 32,120.13 and 12,664.89 is: 17,477.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,275.29 : 32,120.13 = 12,664.89 : x
  2. Step 2: Convert to fraction form
    23,275.29/32,120.13 = 12,664.89/x
  3. Step 3: Cross multiply
    23,275.29x = 32,120.13 × 12,664.89
  4. Step 4: Simplify right side
    23,275.29x = 406,797,913.24
  5. Step 5: Solve for x
    x = 406,797,913.24/23,275.29
  6. Step 6: Final answer
    x = 17,477.67

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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.