Home / 18,453.12-25,464.96-10,070.40

Finding the Fourth Proportional to 18,453.12, 25,464.96 and 10,070.40

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Solution

The fourth proportional to 18,453.12, 25,464.96 and 10,070.40 is: 13,896.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,453.12 : 25,464.96 = 10,070.40 : x
  2. Step 2: Convert to fraction form
    18,453.12/25,464.96 = 10,070.40/x
  3. Step 3: Cross multiply
    18,453.12x = 25,464.96 × 10,070.40
  4. Step 4: Simplify right side
    18,453.12x = 256,442,333.18
  5. Step 5: Solve for x
    x = 256,442,333.18/18,453.12
  6. Step 6: Final answer
    x = 13,896.96

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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.