Home / 23,107.51-31,888.24-13,039.23

Finding the Fourth Proportional to 23,107.51, 31,888.24 and 13,039.23

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Solution

The fourth proportional to 23,107.51, 31,888.24 and 13,039.23 is: 17,994.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,107.51 : 31,888.24 = 13,039.23 : x
  2. Step 2: Convert to fraction form
    23,107.51/31,888.24 = 13,039.23/x
  3. Step 3: Cross multiply
    23,107.51x = 31,888.24 × 13,039.23
  4. Step 4: Simplify right side
    23,107.51x = 415,798,095.66
  5. Step 5: Solve for x
    x = 415,798,095.66/23,107.51
  6. Step 6: Final answer
    x = 17,994.07

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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.