Home / 14,520.63-20,038.14-8,552.55

Finding the Fourth Proportional to 14,520.63, 20,038.14 and 8,552.55

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Solution

The fourth proportional to 14,520.63, 20,038.14 and 8,552.55 is: 11,802.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,520.63 : 20,038.14 = 8,552.55 : x
  2. Step 2: Convert to fraction form
    14,520.63/20,038.14 = 8,552.55/x
  3. Step 3: Cross multiply
    14,520.63x = 20,038.14 × 8,552.55
  4. Step 4: Simplify right side
    14,520.63x = 171,377,194.26
  5. Step 5: Solve for x
    x = 171,377,194.26/14,520.63
  6. Step 6: Final answer
    x = 11,802.32

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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.