Home / 18,271.08-25,213.59-10,314.05

Finding the Fourth Proportional to 18,271.08, 25,213.59 and 10,314.05

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Solution

The fourth proportional to 18,271.08, 25,213.59 and 10,314.05 is: 14,233.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,271.08 : 25,213.59 = 10,314.05 : x
  2. Step 2: Convert to fraction form
    18,271.08/25,213.59 = 10,314.05/x
  3. Step 3: Cross multiply
    18,271.08x = 25,213.59 × 10,314.05
  4. Step 4: Simplify right side
    18,271.08x = 260,054,101.87
  5. Step 5: Solve for x
    x = 260,054,101.87/18,271.08
  6. Step 6: Final answer
    x = 14,233.10

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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.