Home / 22,848.88-31,535.10-13,415.62

Finding the Fourth Proportional to 22,848.88, 31,535.10 and 13,415.62

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Solution

The fourth proportional to 22,848.88, 31,535.10 and 13,415.62 is: 18,515.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,848.88 : 31,535.10 = 13,415.62 : x
  2. Step 2: Convert to fraction form
    22,848.88/31,535.10 = 13,415.62/x
  3. Step 3: Cross multiply
    22,848.88x = 31,535.10 × 13,415.62
  4. Step 4: Simplify right side
    22,848.88x = 423,062,918.26
  5. Step 5: Solve for x
    x = 423,062,918.26/22,848.88
  6. Step 6: Final answer
    x = 18,515.70

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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.