Home / 13,190.40-19,798.56-10,041.12

Finding the Fourth Proportional to 13,190.40, 19,798.56 and 10,041.12

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Solution

The fourth proportional to 13,190.40, 19,798.56 and 10,041.12 is: 15,071.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,190.40 : 19,798.56 = 10,041.12 : x
  2. Step 2: Convert to fraction form
    13,190.40/19,798.56 = 10,041.12/x
  3. Step 3: Cross multiply
    13,190.40x = 19,798.56 × 10,041.12
  4. Step 4: Simplify right side
    13,190.40x = 198,799,716.79
  5. Step 5: Solve for x
    x = 198,799,716.79/13,190.40
  6. Step 6: Final answer
    x = 15,071.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.