Home / 22,788.98-31,448.80-12,580.02

Finding the Fourth Proportional to 22,788.98, 31,448.80 and 12,580.02

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Solution

The fourth proportional to 22,788.98, 31,448.80 and 12,580.02 is: 17,360.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,788.98 : 31,448.80 = 12,580.02 : x
  2. Step 2: Convert to fraction form
    22,788.98/31,448.80 = 12,580.02/x
  3. Step 3: Cross multiply
    22,788.98x = 31,448.80 × 12,580.02
  4. Step 4: Simplify right side
    22,788.98x = 395,626,532.98
  5. Step 5: Solve for x
    x = 395,626,532.98/22,788.98
  6. Step 6: Final answer
    x = 17,360.43

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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.