Home / 22,464.74-31,001.27-12,905.25

Finding the Fourth Proportional to 22,464.74, 31,001.27 and 12,905.25

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Solution

The fourth proportional to 22,464.74, 31,001.27 and 12,905.25 is: 17,809.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,464.74 : 31,001.27 = 12,905.25 : x
  2. Step 2: Convert to fraction form
    22,464.74/31,001.27 = 12,905.25/x
  3. Step 3: Cross multiply
    22,464.74x = 31,001.27 × 12,905.25
  4. Step 4: Simplify right side
    22,464.74x = 400,079,075.14
  5. Step 5: Solve for x
    x = 400,079,075.14/22,464.74
  6. Step 6: Final answer
    x = 17,809.21

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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.