Home / 14,599.72-20,148.29-8,228.94

Finding the Fourth Proportional to 14,599.72, 20,148.29 and 8,228.94

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Solution

The fourth proportional to 14,599.72, 20,148.29 and 8,228.94 is: 11,356.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,599.72 : 20,148.29 = 8,228.94 : x
  2. Step 2: Convert to fraction form
    14,599.72/20,148.29 = 8,228.94/x
  3. Step 3: Cross multiply
    14,599.72x = 20,148.29 × 8,228.94
  4. Step 4: Simplify right side
    14,599.72x = 165,799,069.51
  5. Step 5: Solve for x
    x = 165,799,069.51/14,599.72
  6. Step 6: Final answer
    x = 11,356.32

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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.