Home / 18,439.10-25,448.13-10,482.51

Finding the Fourth Proportional to 18,439.10, 25,448.13 and 10,482.51

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Solution

The fourth proportional to 18,439.10, 25,448.13 and 10,482.51 is: 14,467.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,439.10 : 25,448.13 = 10,482.51 : x
  2. Step 2: Convert to fraction form
    18,439.10/25,448.13 = 10,482.51/x
  3. Step 3: Cross multiply
    18,439.10x = 25,448.13 × 10,482.51
  4. Step 4: Simplify right side
    18,439.10x = 266,760,277.21
  5. Step 5: Solve for x
    x = 266,760,277.21/18,439.10
  6. Step 6: Final answer
    x = 14,467.10

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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.