Home / 14,528.52-21,792.78-4,140

Finding the Fourth Proportional to 14,528.52, 21,792.78 and 4,140

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Solution

The fourth proportional to 14,528.52, 21,792.78 and 4,140 is: 6,210.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,528.52 : 21,792.78 = 4,140 : x
  2. Step 2: Convert to fraction form
    14,528.52/21,792.78 = 4,140/x
  3. Step 3: Cross multiply
    14,528.52x = 21,792.78 × 4,140
  4. Step 4: Simplify right side
    14,528.52x = 90,222,109.20
  5. Step 5: Solve for x
    x = 90,222,109.20/14,528.52
  6. Step 6: Final answer
    x = 6,210.00

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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.