Home / 22,786.93-31,446.62-12,715.16

Finding the Fourth Proportional to 22,786.93, 31,446.62 and 12,715.16

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Solution

The fourth proportional to 22,786.93, 31,446.62 and 12,715.16 is: 17,547.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,786.93 : 31,446.62 = 12,715.16 : x
  2. Step 2: Convert to fraction form
    22,786.93/31,446.62 = 12,715.16/x
  3. Step 3: Cross multiply
    22,786.93x = 31,446.62 × 12,715.16
  4. Step 4: Simplify right side
    22,786.93x = 399,848,679.31
  5. Step 5: Solve for x
    x = 399,848,679.31/22,786.93
  6. Step 6: Final answer
    x = 17,547.28

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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.