Home / 14,554.48-21,834.20-5,320.40

Finding the Fourth Proportional to 14,554.48, 21,834.20 and 5,320.40

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Solution

The fourth proportional to 14,554.48, 21,834.20 and 5,320.40 is: 7,981.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,554.48 : 21,834.20 = 5,320.40 : x
  2. Step 2: Convert to fraction form
    14,554.48/21,834.20 = 5,320.40/x
  3. Step 3: Cross multiply
    14,554.48x = 21,834.20 × 5,320.40
  4. Step 4: Simplify right side
    14,554.48x = 116,166,677.68
  5. Step 5: Solve for x
    x = 116,166,677.68/14,554.48
  6. Step 6: Final answer
    x = 7,981.51

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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.