Home / 23,275.49-32,109.75-15,719.40

Finding the Fourth Proportional to 23,275.49, 32,109.75 and 15,719.40

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Solution

The fourth proportional to 23,275.49, 32,109.75 and 15,719.40 is: 21,685.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,275.49 : 32,109.75 = 15,719.40 : x
  2. Step 2: Convert to fraction form
    23,275.49/32,109.75 = 15,719.40/x
  3. Step 3: Cross multiply
    23,275.49x = 32,109.75 × 15,719.40
  4. Step 4: Simplify right side
    23,275.49x = 504,746,004.15
  5. Step 5: Solve for x
    x = 504,746,004.15/23,275.49
  6. Step 6: Final answer
    x = 21,685.74

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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.