Home / 22,712.51-31,325.47-14,757.32

Finding the Fourth Proportional to 22,712.51, 31,325.47 and 14,757.32

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Solution

The fourth proportional to 22,712.51, 31,325.47 and 14,757.32 is: 20,353.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,712.51 : 31,325.47 = 14,757.32 : x
  2. Step 2: Convert to fraction form
    22,712.51/31,325.47 = 14,757.32/x
  3. Step 3: Cross multiply
    22,712.51x = 31,325.47 × 14,757.32
  4. Step 4: Simplify right side
    22,712.51x = 462,279,828.31
  5. Step 5: Solve for x
    x = 462,279,828.31/22,712.51
  6. Step 6: Final answer
    x = 20,353.54

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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.