Home / 22,690.48-33,977.40-13,898.76

Finding the Fourth Proportional to 22,690.48, 33,977.40 and 13,898.76

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Solution

The fourth proportional to 22,690.48, 33,977.40 and 13,898.76 is: 20,812.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,690.48 : 33,977.40 = 13,898.76 : x
  2. Step 2: Convert to fraction form
    22,690.48/33,977.40 = 13,898.76/x
  3. Step 3: Cross multiply
    22,690.48x = 33,977.40 × 13,898.76
  4. Step 4: Simplify right side
    22,690.48x = 472,243,728.02
  5. Step 5: Solve for x
    x = 472,243,728.02/22,690.48
  6. Step 6: Final answer
    x = 20,812.42

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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.