Home / 19,248.51-26,561.14-11,289.20

Finding the Fourth Proportional to 19,248.51, 26,561.14 and 11,289.20

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Solution

The fourth proportional to 19,248.51, 26,561.14 and 11,289.20 is: 15,578.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,248.51 : 26,561.14 = 11,289.20 : x
  2. Step 2: Convert to fraction form
    19,248.51/26,561.14 = 11,289.20/x
  3. Step 3: Cross multiply
    19,248.51x = 26,561.14 × 11,289.20
  4. Step 4: Simplify right side
    19,248.51x = 299,854,021.69
  5. Step 5: Solve for x
    x = 299,854,021.69/19,248.51
  6. Step 6: Final answer
    x = 15,578.04

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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.