Home / 22,494.09-31,045.64-13,068.12

Finding the Fourth Proportional to 22,494.09, 31,045.64 and 13,068.12

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Solution

The fourth proportional to 22,494.09, 31,045.64 and 13,068.12 is: 18,036.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,494.09 : 31,045.64 = 13,068.12 : x
  2. Step 2: Convert to fraction form
    22,494.09/31,045.64 = 13,068.12/x
  3. Step 3: Cross multiply
    22,494.09x = 31,045.64 × 13,068.12
  4. Step 4: Simplify right side
    22,494.09x = 405,708,181.67
  5. Step 5: Solve for x
    x = 405,708,181.67/22,494.09
  6. Step 6: Final answer
    x = 18,036.21

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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.