Home / 19,073.96-26,330.29-17,878.40

Finding the Fourth Proportional to 19,073.96, 26,330.29 and 17,878.40

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Solution

The fourth proportional to 19,073.96, 26,330.29 and 17,878.40 is: 24,679.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,073.96 : 26,330.29 = 17,878.40 : x
  2. Step 2: Convert to fraction form
    19,073.96/26,330.29 = 17,878.40/x
  3. Step 3: Cross multiply
    19,073.96x = 26,330.29 × 17,878.40
  4. Step 4: Simplify right side
    19,073.96x = 470,743,280.39
  5. Step 5: Solve for x
    x = 470,743,280.39/19,073.96
  6. Step 6: Final answer
    x = 24,679.90

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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.