Home / 18,412.16-25,409.68-10,454.24

Finding the Fourth Proportional to 18,412.16, 25,409.68 and 10,454.24

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Solution

The fourth proportional to 18,412.16, 25,409.68 and 10,454.24 is: 14,427.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,412.16 : 25,409.68 = 10,454.24 : x
  2. Step 2: Convert to fraction form
    18,412.16/25,409.68 = 10,454.24/x
  3. Step 3: Cross multiply
    18,412.16x = 25,409.68 × 10,454.24
  4. Step 4: Simplify right side
    18,412.16x = 265,638,893.04
  5. Step 5: Solve for x
    x = 265,638,893.04/18,412.16
  6. Step 6: Final answer
    x = 14,427.36

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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.