Home / 22,290.22-30,763.65-13,795.08

Finding the Fourth Proportional to 22,290.22, 30,763.65 and 13,795.08

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Solution

The fourth proportional to 22,290.22, 30,763.65 and 13,795.08 is: 19,039.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,290.22 : 30,763.65 = 13,795.08 : x
  2. Step 2: Convert to fraction form
    22,290.22/30,763.65 = 13,795.08/x
  3. Step 3: Cross multiply
    22,290.22x = 30,763.65 × 13,795.08
  4. Step 4: Simplify right side
    22,290.22x = 424,387,012.84
  5. Step 5: Solve for x
    x = 424,387,012.84/22,290.22
  6. Step 6: Final answer
    x = 19,039.16

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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.