Home / 19,129.04-26,398.20-10,745.68

Finding the Fourth Proportional to 19,129.04, 26,398.20 and 10,745.68

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Solution

The fourth proportional to 19,129.04, 26,398.20 and 10,745.68 is: 14,829.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,129.04 : 26,398.20 = 10,745.68 : x
  2. Step 2: Convert to fraction form
    19,129.04/26,398.20 = 10,745.68/x
  3. Step 3: Cross multiply
    19,129.04x = 26,398.20 × 10,745.68
  4. Step 4: Simplify right side
    19,129.04x = 283,666,609.78
  5. Step 5: Solve for x
    x = 283,666,609.78/19,129.04
  6. Step 6: Final answer
    x = 14,829.11

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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.