Home / 23,165.66-31,967.75-12,555.07

Finding the Fourth Proportional to 23,165.66, 31,967.75 and 12,555.07

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Solution

The fourth proportional to 23,165.66, 31,967.75 and 12,555.07 is: 17,325.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,165.66 : 31,967.75 = 12,555.07 : x
  2. Step 2: Convert to fraction form
    23,165.66/31,967.75 = 12,555.07/x
  3. Step 3: Cross multiply
    23,165.66x = 31,967.75 × 12,555.07
  4. Step 4: Simplify right side
    23,165.66x = 401,357,338.99
  5. Step 5: Solve for x
    x = 401,357,338.99/23,165.66
  6. Step 6: Final answer
    x = 17,325.53

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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.