Home / 14,230.84-21,349.60-4,870.94

Finding the Fourth Proportional to 14,230.84, 21,349.60 and 4,870.94

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Solution

The fourth proportional to 14,230.84, 21,349.60 and 4,870.94 is: 7,307.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,230.84 : 21,349.60 = 4,870.94 : x
  2. Step 2: Convert to fraction form
    14,230.84/21,349.60 = 4,870.94/x
  3. Step 3: Cross multiply
    14,230.84x = 21,349.60 × 4,870.94
  4. Step 4: Simplify right side
    14,230.84x = 103,992,515.40
  5. Step 5: Solve for x
    x = 103,992,515.40/14,230.84
  6. Step 6: Final answer
    x = 7,307.55

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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.