Home / 13,632.18-18,810.27-8,327.22

Finding the Fourth Proportional to 13,632.18, 18,810.27 and 8,327.22

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Solution

The fourth proportional to 13,632.18, 18,810.27 and 8,327.22 is: 11,490.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,632.18 : 18,810.27 = 8,327.22 : x
  2. Step 2: Convert to fraction form
    13,632.18/18,810.27 = 8,327.22/x
  3. Step 3: Cross multiply
    13,632.18x = 18,810.27 × 8,327.22
  4. Step 4: Simplify right side
    13,632.18x = 156,637,256.55
  5. Step 5: Solve for x
    x = 156,637,256.55/13,632.18
  6. Step 6: Final answer
    x = 11,490.26

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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.