Home / 13,370.22-18,444.78-8,656.02

Finding the Fourth Proportional to 13,370.22, 18,444.78 and 8,656.02

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Solution

The fourth proportional to 13,370.22, 18,444.78 and 8,656.02 is: 11,941.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,370.22 : 18,444.78 = 8,656.02 : x
  2. Step 2: Convert to fraction form
    13,370.22/18,444.78 = 8,656.02/x
  3. Step 3: Cross multiply
    13,370.22x = 18,444.78 × 8,656.02
  4. Step 4: Simplify right side
    13,370.22x = 159,658,384.58
  5. Step 5: Solve for x
    x = 159,658,384.58/13,370.22
  6. Step 6: Final answer
    x = 11,941.34

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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.