Home / 18,740.03-25,862.22-10,783.46

Finding the Fourth Proportional to 18,740.03, 25,862.22 and 10,783.46

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Solution

The fourth proportional to 18,740.03, 25,862.22 and 10,783.46 is: 14,881.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,740.03 : 25,862.22 = 10,783.46 : x
  2. Step 2: Convert to fraction form
    18,740.03/25,862.22 = 10,783.46/x
  3. Step 3: Cross multiply
    18,740.03x = 25,862.22 × 10,783.46
  4. Step 4: Simplify right side
    18,740.03x = 278,884,279.54
  5. Step 5: Solve for x
    x = 278,884,279.54/18,740.03
  6. Step 6: Final answer
    x = 14,881.75

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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.