Home / 18,261.08-25,199.88-10,303.10

Finding the Fourth Proportional to 18,261.08, 25,199.88 and 10,303.10

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Solution

The fourth proportional to 18,261.08, 25,199.88 and 10,303.10 is: 14,218.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,261.08 : 25,199.88 = 10,303.10 : x
  2. Step 2: Convert to fraction form
    18,261.08/25,199.88 = 10,303.10/x
  3. Step 3: Cross multiply
    18,261.08x = 25,199.88 × 10,303.10
  4. Step 4: Simplify right side
    18,261.08x = 259,636,883.63
  5. Step 5: Solve for x
    x = 259,636,883.63/18,261.08
  6. Step 6: Final answer
    x = 14,218.05

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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.