Home / 22,343.64-30,848.67-13,854.78

Finding the Fourth Proportional to 22,343.64, 30,848.67 and 13,854.78

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Solution

The fourth proportional to 22,343.64, 30,848.67 and 13,854.78 is: 19,128.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,343.64 : 30,848.67 = 13,854.78 : x
  2. Step 2: Convert to fraction form
    22,343.64/30,848.67 = 13,854.78/x
  3. Step 3: Cross multiply
    22,343.64x = 30,848.67 × 13,854.78
  4. Step 4: Simplify right side
    22,343.64x = 427,401,536.14
  5. Step 5: Solve for x
    x = 427,401,536.14/22,343.64
  6. Step 6: Final answer
    x = 19,128.55

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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.