Home / 14,745.48-22,082.84-12,972.47

Finding the Fourth Proportional to 14,745.48, 22,082.84 and 12,972.47

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Solution

The fourth proportional to 14,745.48, 22,082.84 and 12,972.47 is: 19,427.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,745.48 : 22,082.84 = 12,972.47 : x
  2. Step 2: Convert to fraction form
    14,745.48/22,082.84 = 12,972.47/x
  3. Step 3: Cross multiply
    14,745.48x = 22,082.84 × 12,972.47
  4. Step 4: Simplify right side
    14,745.48x = 286,468,979.41
  5. Step 5: Solve for x
    x = 286,468,979.41/14,745.48
  6. Step 6: Final answer
    x = 19,427.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.