Home / 19,261.18-26,578.29-10,877.68

Finding the Fourth Proportional to 19,261.18, 26,578.29 and 10,877.68

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Solution

The fourth proportional to 19,261.18, 26,578.29 and 10,877.68 is: 15,009.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,261.18 : 26,578.29 = 10,877.68 : x
  2. Step 2: Convert to fraction form
    19,261.18/26,578.29 = 10,877.68/x
  3. Step 3: Cross multiply
    19,261.18x = 26,578.29 × 10,877.68
  4. Step 4: Simplify right side
    19,261.18x = 289,110,133.57
  5. Step 5: Solve for x
    x = 289,110,133.57/19,261.18
  6. Step 6: Final answer
    x = 15,009.99

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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.