Home / 18,412.08-25,407.80-10,453.22

Finding the Fourth Proportional to 18,412.08, 25,407.80 and 10,453.22

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Solution

The fourth proportional to 18,412.08, 25,407.80 and 10,453.22 is: 14,424.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,412.08 : 25,407.80 = 10,453.22 : x
  2. Step 2: Convert to fraction form
    18,412.08/25,407.80 = 10,453.22/x
  3. Step 3: Cross multiply
    18,412.08x = 25,407.80 × 10,453.22
  4. Step 4: Simplify right side
    18,412.08x = 265,593,323.12
  5. Step 5: Solve for x
    x = 265,593,323.12/18,412.08
  6. Step 6: Final answer
    x = 14,424.95

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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.