Home / 19,113.48-26,380.34-10,729.48

Finding the Fourth Proportional to 19,113.48, 26,380.34 and 10,729.48

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Solution

The fourth proportional to 19,113.48, 26,380.34 and 10,729.48 is: 14,808.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,113.48 : 26,380.34 = 10,729.48 : x
  2. Step 2: Convert to fraction form
    19,113.48/26,380.34 = 10,729.48/x
  3. Step 3: Cross multiply
    19,113.48x = 26,380.34 × 10,729.48
  4. Step 4: Simplify right side
    19,113.48x = 283,047,330.42
  5. Step 5: Solve for x
    x = 283,047,330.42/19,113.48
  6. Step 6: Final answer
    x = 14,808.78

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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.