Home / 14,845.87-22,269.93-4,985.20

Finding the Fourth Proportional to 14,845.87, 22,269.93 and 4,985.20

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Solution

The fourth proportional to 14,845.87, 22,269.93 and 4,985.20 is: 7,478.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,845.87 : 22,269.93 = 4,985.20 : x
  2. Step 2: Convert to fraction form
    14,845.87/22,269.93 = 4,985.20/x
  3. Step 3: Cross multiply
    14,845.87x = 22,269.93 × 4,985.20
  4. Step 4: Simplify right side
    14,845.87x = 111,020,055.04
  5. Step 5: Solve for x
    x = 111,020,055.04/14,845.87
  6. Step 6: Final answer
    x = 7,478.18

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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.