Home / 22,062.12-30,433.50-13,980.93

Finding the Fourth Proportional to 22,062.12, 30,433.50 and 13,980.93

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Solution

The fourth proportional to 22,062.12, 30,433.50 and 13,980.93 is: 19,285.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,062.12 : 30,433.50 = 13,980.93 : x
  2. Step 2: Convert to fraction form
    22,062.12/30,433.50 = 13,980.93/x
  3. Step 3: Cross multiply
    22,062.12x = 30,433.50 × 13,980.93
  4. Step 4: Simplify right side
    22,062.12x = 425,488,633.16
  5. Step 5: Solve for x
    x = 425,488,633.16/22,062.12
  6. Step 6: Final answer
    x = 19,285.94

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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.