Home / 19,151.42-26,428.40-11,602.22

Finding the Fourth Proportional to 19,151.42, 26,428.40 and 11,602.22

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Solution

The fourth proportional to 19,151.42, 26,428.40 and 11,602.22 is: 16,010.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,151.42 : 26,428.40 = 11,602.22 : x
  2. Step 2: Convert to fraction form
    19,151.42/26,428.40 = 11,602.22/x
  3. Step 3: Cross multiply
    19,151.42x = 26,428.40 × 11,602.22
  4. Step 4: Simplify right side
    19,151.42x = 306,628,111.05
  5. Step 5: Solve for x
    x = 306,628,111.05/19,151.42
  6. Step 6: Final answer
    x = 16,010.72

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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.