Home / 23,275.76-32,120.55-12,665.16

Finding the Fourth Proportional to 23,275.76, 32,120.55 and 12,665.16

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Solution

The fourth proportional to 23,275.76, 32,120.55 and 12,665.16 is: 17,477.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,275.76 : 32,120.55 = 12,665.16 : x
  2. Step 2: Convert to fraction form
    23,275.76/32,120.55 = 12,665.16/x
  3. Step 3: Cross multiply
    23,275.76x = 32,120.55 × 12,665.16
  4. Step 4: Simplify right side
    23,275.76x = 406,811,905.04
  5. Step 5: Solve for x
    x = 406,811,905.04/23,275.76
  6. Step 6: Final answer
    x = 17,477.93

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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.