Home / 19,551.74-26,985-11,168.24

Finding the Fourth Proportional to 19,551.74, 26,985 and 11,168.24

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Solution

The fourth proportional to 19,551.74, 26,985 and 11,168.24 is: 15,414.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,551.74 : 26,985 = 11,168.24 : x
  2. Step 2: Convert to fraction form
    19,551.74/26,985 = 11,168.24/x
  3. Step 3: Cross multiply
    19,551.74x = 26,985 × 11,168.24
  4. Step 4: Simplify right side
    19,551.74x = 301,374,956.40
  5. Step 5: Solve for x
    x = 301,374,956.40/19,551.74
  6. Step 6: Final answer
    x = 15,414.23

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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.