Home / 18,368.04-25,343.46-11,651.23

Finding the Fourth Proportional to 18,368.04, 25,343.46 and 11,651.23

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Solution

The fourth proportional to 18,368.04, 25,343.46 and 11,651.23 is: 16,075.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,368.04 : 25,343.46 = 11,651.23 : x
  2. Step 2: Convert to fraction form
    18,368.04/25,343.46 = 11,651.23/x
  3. Step 3: Cross multiply
    18,368.04x = 25,343.46 × 11,651.23
  4. Step 4: Simplify right side
    18,368.04x = 295,282,418.10
  5. Step 5: Solve for x
    x = 295,282,418.10/18,368.04
  6. Step 6: Final answer
    x = 16,075.88

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Half scale
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Double scale
Find fourth proportional to 18,369.04, 25,344.84 and 11,652.23
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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.