Home / 13,366.24-18,428.65-8,577.74

Finding the Fourth Proportional to 13,366.24, 18,428.65 and 8,577.74

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Solution

The fourth proportional to 13,366.24, 18,428.65 and 8,577.74 is: 11,826.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,366.24 : 18,428.65 = 8,577.74 : x
  2. Step 2: Convert to fraction form
    13,366.24/18,428.65 = 8,577.74/x
  3. Step 3: Cross multiply
    13,366.24x = 18,428.65 × 8,577.74
  4. Step 4: Simplify right side
    13,366.24x = 158,076,168.25
  5. Step 5: Solve for x
    x = 158,076,168.25/13,366.24
  6. Step 6: Final answer
    x = 11,826.52

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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.