Home / 19,270.11-26,592.94-11,312.47

Finding the Fourth Proportional to 19,270.11, 26,592.94 and 11,312.47

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Solution

The fourth proportional to 19,270.11, 26,592.94 and 11,312.47 is: 15,611.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,270.11 : 26,592.94 = 11,312.47 : x
  2. Step 2: Convert to fraction form
    19,270.11/26,592.94 = 11,312.47/x
  3. Step 3: Cross multiply
    19,270.11x = 26,592.94 × 11,312.47
  4. Step 4: Simplify right side
    19,270.11x = 300,831,883.34
  5. Step 5: Solve for x
    x = 300,831,883.34/19,270.11
  6. Step 6: Final answer
    x = 15,611.32

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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.