Home / 19,801.18-27,325.80-11,417.68

Finding the Fourth Proportional to 19,801.18, 27,325.80 and 11,417.68

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Solution

The fourth proportional to 19,801.18, 27,325.80 and 11,417.68 is: 15,756.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,801.18 : 27,325.80 = 11,417.68 : x
  2. Step 2: Convert to fraction form
    19,801.18/27,325.80 = 11,417.68/x
  3. Step 3: Cross multiply
    19,801.18x = 27,325.80 × 11,417.68
  4. Step 4: Simplify right side
    19,801.18x = 311,997,240.14
  5. Step 5: Solve for x
    x = 311,997,240.14/19,801.18
  6. Step 6: Final answer
    x = 15,756.50

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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.