Home / 14,833.04-20,471.40-8,461.20

Finding the Fourth Proportional to 14,833.04, 20,471.40 and 8,461.20

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Solution

The fourth proportional to 14,833.04, 20,471.40 and 8,461.20 is: 11,677.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,833.04 : 20,471.40 = 8,461.20 : x
  2. Step 2: Convert to fraction form
    14,833.04/20,471.40 = 8,461.20/x
  3. Step 3: Cross multiply
    14,833.04x = 20,471.40 × 8,461.20
  4. Step 4: Simplify right side
    14,833.04x = 173,212,609.68
  5. Step 5: Solve for x
    x = 173,212,609.68/14,833.04
  6. Step 6: Final answer
    x = 11,677.49

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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.