Home / 18,336.90-27,509.48-9,903.22

Finding the Fourth Proportional to 18,336.90, 27,509.48 and 9,903.22

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Solution

The fourth proportional to 18,336.90, 27,509.48 and 9,903.22 is: 14,857.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,336.90 : 27,509.48 = 9,903.22 : x
  2. Step 2: Convert to fraction form
    18,336.90/27,509.48 = 9,903.22/x
  3. Step 3: Cross multiply
    18,336.90x = 27,509.48 × 9,903.22
  4. Step 4: Simplify right side
    18,336.90x = 272,432,388.51
  5. Step 5: Solve for x
    x = 272,432,388.51/18,336.90
  6. Step 6: Final answer
    x = 14,857.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.