Home / 22,136.76-33,139.53-13,345.02

Finding the Fourth Proportional to 22,136.76, 33,139.53 and 13,345.02

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Solution

The fourth proportional to 22,136.76, 33,139.53 and 13,345.02 is: 19,977.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,136.76 : 33,139.53 = 13,345.02 : x
  2. Step 2: Convert to fraction form
    22,136.76/33,139.53 = 13,345.02/x
  3. Step 3: Cross multiply
    22,136.76x = 33,139.53 × 13,345.02
  4. Step 4: Simplify right side
    22,136.76x = 442,247,690.64
  5. Step 5: Solve for x
    x = 442,247,690.64/22,136.76
  6. Step 6: Final answer
    x = 19,977.98

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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.