Home / 16,907.48-23,325.18-11,320.28

Finding the Fourth Proportional to 16,907.48, 23,325.18 and 11,320.28

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Solution

The fourth proportional to 16,907.48, 23,325.18 and 11,320.28 is: 15,617.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,907.48 : 23,325.18 = 11,320.28 : x
  2. Step 2: Convert to fraction form
    16,907.48/23,325.18 = 11,320.28/x
  3. Step 3: Cross multiply
    16,907.48x = 23,325.18 × 11,320.28
  4. Step 4: Simplify right side
    16,907.48x = 264,047,568.65
  5. Step 5: Solve for x
    x = 264,047,568.65/16,907.48
  6. Step 6: Final answer
    x = 15,617.20

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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.