Home / 19,144.13-26,419.77-10,647.11

Finding the Fourth Proportional to 19,144.13, 26,419.77 and 10,647.11

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Solution

The fourth proportional to 19,144.13, 26,419.77 and 10,647.11 is: 14,693.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,144.13 : 26,419.77 = 10,647.11 : x
  2. Step 2: Convert to fraction form
    19,144.13/26,419.77 = 10,647.11/x
  3. Step 3: Cross multiply
    19,144.13x = 26,419.77 × 10,647.11
  4. Step 4: Simplify right side
    19,144.13x = 281,294,065.27
  5. Step 5: Solve for x
    x = 281,294,065.27/19,144.13
  6. Step 6: Final answer
    x = 14,693.49

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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.