Home / 19,356.60-26,712.63-11,397.36

Finding the Fourth Proportional to 19,356.60, 26,712.63 and 11,397.36

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Solution

The fourth proportional to 19,356.60, 26,712.63 and 11,397.36 is: 15,728.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,356.60 : 26,712.63 = 11,397.36 : x
  2. Step 2: Convert to fraction form
    19,356.60/26,712.63 = 11,397.36/x
  3. Step 3: Cross multiply
    19,356.60x = 26,712.63 × 11,397.36
  4. Step 4: Simplify right side
    19,356.60x = 304,453,460.66
  5. Step 5: Solve for x
    x = 304,453,460.66/19,356.60
  6. Step 6: Final answer
    x = 15,728.66

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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.