Home / 13,444.08-18,536.76-8,726.64

Finding the Fourth Proportional to 13,444.08, 18,536.76 and 8,726.64

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Solution

The fourth proportional to 13,444.08, 18,536.76 and 8,726.64 is: 12,032.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,444.08 : 18,536.76 = 8,726.64 : x
  2. Step 2: Convert to fraction form
    13,444.08/18,536.76 = 8,726.64/x
  3. Step 3: Cross multiply
    13,444.08x = 18,536.76 × 8,726.64
  4. Step 4: Simplify right side
    13,444.08x = 161,763,631.29
  5. Step 5: Solve for x
    x = 161,763,631.29/13,444.08
  6. Step 6: Final answer
    x = 12,032.33

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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.