Home / 19,038.09-26,272-10,540.56

Finding the Fourth Proportional to 19,038.09, 26,272 and 10,540.56

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Solution

The fourth proportional to 19,038.09, 26,272 and 10,540.56 is: 14,545.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,038.09 : 26,272 = 10,540.56 : x
  2. Step 2: Convert to fraction form
    19,038.09/26,272 = 10,540.56/x
  3. Step 3: Cross multiply
    19,038.09x = 26,272 × 10,540.56
  4. Step 4: Simplify right side
    19,038.09x = 276,921,592.32
  5. Step 5: Solve for x
    x = 276,921,592.32/19,038.09
  6. Step 6: Final answer
    x = 14,545.66

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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.