Home / 19,199.52-26,477.76-13,158.54

Finding the Fourth Proportional to 19,199.52, 26,477.76 and 13,158.54

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Solution

The fourth proportional to 19,199.52, 26,477.76 and 13,158.54 is: 18,146.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,199.52 : 26,477.76 = 13,158.54 : x
  2. Step 2: Convert to fraction form
    19,199.52/26,477.76 = 13,158.54/x
  3. Step 3: Cross multiply
    19,199.52x = 26,477.76 × 13,158.54
  4. Step 4: Simplify right side
    19,199.52x = 348,408,713.41
  5. Step 5: Solve for x
    x = 348,408,713.41/19,199.52
  6. Step 6: Final answer
    x = 18,146.74

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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.