Home / 19,239.19-26,553.69-11,281.41

Finding the Fourth Proportional to 19,239.19, 26,553.69 and 11,281.41

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Solution

The fourth proportional to 19,239.19, 26,553.69 and 11,281.41 is: 15,570.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,239.19 : 26,553.69 = 11,281.41 : x
  2. Step 2: Convert to fraction form
    19,239.19/26,553.69 = 11,281.41/x
  3. Step 3: Cross multiply
    19,239.19x = 26,553.69 × 11,281.41
  4. Step 4: Simplify right side
    19,239.19x = 299,563,063.90
  5. Step 5: Solve for x
    x = 299,563,063.90/19,239.19
  6. Step 6: Final answer
    x = 15,570.46

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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.