Home / 14,430.54-19,902.38-12,122.13

Finding the Fourth Proportional to 14,430.54, 19,902.38 and 12,122.13

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Solution

The fourth proportional to 14,430.54, 19,902.38 and 12,122.13 is: 16,718.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,430.54 : 19,902.38 = 12,122.13 : x
  2. Step 2: Convert to fraction form
    14,430.54/19,902.38 = 12,122.13/x
  3. Step 3: Cross multiply
    14,430.54x = 19,902.38 × 12,122.13
  4. Step 4: Simplify right side
    14,430.54x = 241,259,177.06
  5. Step 5: Solve for x
    x = 241,259,177.06/14,430.54
  6. Step 6: Final answer
    x = 16,718.65

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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.