Home / 14,569.40-20,105.74-8,196.00

Finding the Fourth Proportional to 14,569.40, 20,105.74 and 8,196.00

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Solution

The fourth proportional to 14,569.40, 20,105.74 and 8,196.00 is: 11,310.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,569.40 : 20,105.74 = 8,196.00 : x
  2. Step 2: Convert to fraction form
    14,569.40/20,105.74 = 8,196.00/x
  3. Step 3: Cross multiply
    14,569.40x = 20,105.74 × 8,196.00
  4. Step 4: Simplify right side
    14,569.40x = 164,786,595.26
  5. Step 5: Solve for x
    x = 164,786,595.26/14,569.40
  6. Step 6: Final answer
    x = 11,310.46

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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.