Home / 22,690.01-31,309.27-12,616.45

Finding the Fourth Proportional to 22,690.01, 31,309.27 and 12,616.45

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Solution

The fourth proportional to 22,690.01, 31,309.27 and 12,616.45 is: 17,409.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,690.01 : 31,309.27 = 12,616.45 : x
  2. Step 2: Convert to fraction form
    22,690.01/31,309.27 = 12,616.45/x
  3. Step 3: Cross multiply
    22,690.01x = 31,309.27 × 12,616.45
  4. Step 4: Simplify right side
    22,690.01x = 395,011,729.68
  5. Step 5: Solve for x
    x = 395,011,729.68/22,690.01
  6. Step 6: Final answer
    x = 17,409.06

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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.