Home / 19,298.81-26,638.92-11,343.39

Finding the Fourth Proportional to 19,298.81, 26,638.92 and 11,343.39

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Solution

The fourth proportional to 19,298.81, 26,638.92 and 11,343.39 is: 15,657.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,298.81 : 26,638.92 = 11,343.39 : x
  2. Step 2: Convert to fraction form
    19,298.81/26,638.92 = 11,343.39/x
  3. Step 3: Cross multiply
    19,298.81x = 26,638.92 × 11,343.39
  4. Step 4: Simplify right side
    19,298.81x = 302,175,658.74
  5. Step 5: Solve for x
    x = 302,175,658.74/19,298.81
  6. Step 6: Final answer
    x = 15,657.74

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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.