Home / 18,708.48-25,815.33-10,532.16

Finding the Fourth Proportional to 18,708.48, 25,815.33 and 10,532.16

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Solution

The fourth proportional to 18,708.48, 25,815.33 and 10,532.16 is: 14,533.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,708.48 : 25,815.33 = 10,532.16 : x
  2. Step 2: Convert to fraction form
    18,708.48/25,815.33 = 10,532.16/x
  3. Step 3: Cross multiply
    18,708.48x = 25,815.33 × 10,532.16
  4. Step 4: Simplify right side
    18,708.48x = 271,891,186.01
  5. Step 5: Solve for x
    x = 271,891,186.01/18,708.48
  6. Step 6: Final answer
    x = 14,533.05

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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.