Home / 15,993.63-22,075.83-9,280.76

Finding the Fourth Proportional to 15,993.63, 22,075.83 and 9,280.76

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Solution

The fourth proportional to 15,993.63, 22,075.83 and 9,280.76 is: 12,810.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,993.63 : 22,075.83 = 9,280.76 : x
  2. Step 2: Convert to fraction form
    15,993.63/22,075.83 = 9,280.76/x
  3. Step 3: Cross multiply
    15,993.63x = 22,075.83 × 9,280.76
  4. Step 4: Simplify right side
    15,993.63x = 204,880,369.65
  5. Step 5: Solve for x
    x = 204,880,369.65/15,993.63
  6. Step 6: Final answer
    x = 12,810.12

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.