Home / 23,151.84-31,949.48-12,541.65

Finding the Fourth Proportional to 23,151.84, 31,949.48 and 12,541.65

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Solution

The fourth proportional to 23,151.84, 31,949.48 and 12,541.65 is: 17,307.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,151.84 : 31,949.48 = 12,541.65 : x
  2. Step 2: Convert to fraction form
    23,151.84/31,949.48 = 12,541.65/x
  3. Step 3: Cross multiply
    23,151.84x = 31,949.48 × 12,541.65
  4. Step 4: Simplify right side
    23,151.84x = 400,699,133.13
  5. Step 5: Solve for x
    x = 400,699,133.13/23,151.84
  6. Step 6: Final answer
    x = 17,307.44

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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.