Home / 19,111.70-28,667.55-14,446.10

Finding the Fourth Proportional to 19,111.70, 28,667.55 and 14,446.10

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Solution

The fourth proportional to 19,111.70, 28,667.55 and 14,446.10 is: 21,669.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,111.70 : 28,667.55 = 14,446.10 : x
  2. Step 2: Convert to fraction form
    19,111.70/28,667.55 = 14,446.10/x
  3. Step 3: Cross multiply
    19,111.70x = 28,667.55 × 14,446.10
  4. Step 4: Simplify right side
    19,111.70x = 414,134,294.06
  5. Step 5: Solve for x
    x = 414,134,294.06/19,111.70
  6. Step 6: Final answer
    x = 21,669.15

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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.