Home / 18,741.16-25,863.45-12,373.34

Finding the Fourth Proportional to 18,741.16, 25,863.45 and 12,373.34

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Solution

The fourth proportional to 18,741.16, 25,863.45 and 12,373.34 is: 17,075.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,741.16 : 25,863.45 = 12,373.34 : x
  2. Step 2: Convert to fraction form
    18,741.16/25,863.45 = 12,373.34/x
  3. Step 3: Cross multiply
    18,741.16x = 25,863.45 × 12,373.34
  4. Step 4: Simplify right side
    18,741.16x = 320,017,260.42
  5. Step 5: Solve for x
    x = 320,017,260.42/18,741.16
  6. Step 6: Final answer
    x = 17,075.64

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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.