Home / 13,904.08-19,180.40-9,426.24

Finding the Fourth Proportional to 13,904.08, 19,180.40 and 9,426.24

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Solution

The fourth proportional to 13,904.08, 19,180.40 and 9,426.24 is: 13,003.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,904.08 : 19,180.40 = 9,426.24 : x
  2. Step 2: Convert to fraction form
    13,904.08/19,180.40 = 9,426.24/x
  3. Step 3: Cross multiply
    13,904.08x = 19,180.40 × 9,426.24
  4. Step 4: Simplify right side
    13,904.08x = 180,799,053.70
  5. Step 5: Solve for x
    x = 180,799,053.70/13,904.08
  6. Step 6: Final answer
    x = 13,003.31

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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.