Home / 19,276.36-26,602.38-11,721.46

Finding the Fourth Proportional to 19,276.36, 26,602.38 and 11,721.46

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Solution

The fourth proportional to 19,276.36, 26,602.38 and 11,721.46 is: 16,176.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,276.36 : 26,602.38 = 11,721.46 : x
  2. Step 2: Convert to fraction form
    19,276.36/26,602.38 = 11,721.46/x
  3. Step 3: Cross multiply
    19,276.36x = 26,602.38 × 11,721.46
  4. Step 4: Simplify right side
    19,276.36x = 311,818,733.07
  5. Step 5: Solve for x
    x = 311,818,733.07/19,276.36
  6. Step 6: Final answer
    x = 16,176.22

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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.