Home / 14,784.84-22,160.52-4,921.80

Finding the Fourth Proportional to 14,784.84, 22,160.52 and 4,921.80

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Solution

The fourth proportional to 14,784.84, 22,160.52 and 4,921.80 is: 7,377.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,784.84 : 22,160.52 = 4,921.80 : x
  2. Step 2: Convert to fraction form
    14,784.84/22,160.52 = 4,921.80/x
  3. Step 3: Cross multiply
    14,784.84x = 22,160.52 × 4,921.80
  4. Step 4: Simplify right side
    14,784.84x = 109,069,647.34
  5. Step 5: Solve for x
    x = 109,069,647.34/14,784.84
  6. Step 6: Final answer
    x = 7,377.13

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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.