Home / 14,620.84-20,176.26-8,335.24

Finding the Fourth Proportional to 14,620.84, 20,176.26 and 8,335.24

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Solution

The fourth proportional to 14,620.84, 20,176.26 and 8,335.24 is: 11,502.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,620.84 : 20,176.26 = 8,335.24 : x
  2. Step 2: Convert to fraction form
    14,620.84/20,176.26 = 8,335.24/x
  3. Step 3: Cross multiply
    14,620.84x = 20,176.26 × 8,335.24
  4. Step 4: Simplify right side
    14,620.84x = 168,173,969.40
  5. Step 5: Solve for x
    x = 168,173,969.40/14,620.84
  6. Step 6: Final answer
    x = 11,502.35

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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.