Home / 14,207.40-19,618.61-8,911.35

Finding the Fourth Proportional to 14,207.40, 19,618.61 and 8,911.35

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Solution

The fourth proportional to 14,207.40, 19,618.61 and 8,911.35 is: 12,305.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,207.40 : 19,618.61 = 8,911.35 : x
  2. Step 2: Convert to fraction form
    14,207.40/19,618.61 = 8,911.35/x
  3. Step 3: Cross multiply
    14,207.40x = 19,618.61 × 8,911.35
  4. Step 4: Simplify right side
    14,207.40x = 174,828,255.67
  5. Step 5: Solve for x
    x = 174,828,255.67/14,207.40
  6. Step 6: Final answer
    x = 12,305.44

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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.