Home / 22,445.80-30,968.34-13,012.48

Finding the Fourth Proportional to 22,445.80, 30,968.34 and 13,012.48

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Solution

The fourth proportional to 22,445.80, 30,968.34 and 13,012.48 is: 17,953.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,445.80 : 30,968.34 = 13,012.48 : x
  2. Step 2: Convert to fraction form
    22,445.80/30,968.34 = 13,012.48/x
  3. Step 3: Cross multiply
    22,445.80x = 30,968.34 × 13,012.48
  4. Step 4: Simplify right side
    22,445.80x = 402,974,904.88
  5. Step 5: Solve for x
    x = 402,974,904.88/22,445.80
  6. Step 6: Final answer
    x = 17,953.24

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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.