Home / 19,071.36-26,317.20-11,113.92

Finding the Fourth Proportional to 19,071.36, 26,317.20 and 11,113.92

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Solution

The fourth proportional to 19,071.36, 26,317.20 and 11,113.92 is: 15,336.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,071.36 : 26,317.20 = 11,113.92 : x
  2. Step 2: Convert to fraction form
    19,071.36/26,317.20 = 11,113.92/x
  3. Step 3: Cross multiply
    19,071.36x = 26,317.20 × 11,113.92
  4. Step 4: Simplify right side
    19,071.36x = 292,487,255.42
  5. Step 5: Solve for x
    x = 292,487,255.42/19,071.36
  6. Step 6: Final answer
    x = 15,336.47

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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.