Home / 14,835.40-22,220.70-8,981.80

Finding the Fourth Proportional to 14,835.40, 22,220.70 and 8,981.80

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Solution

The fourth proportional to 14,835.40, 22,220.70 and 8,981.80 is: 13,453.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,835.40 : 22,220.70 = 8,981.80 : x
  2. Step 2: Convert to fraction form
    14,835.40/22,220.70 = 8,981.80/x
  3. Step 3: Cross multiply
    14,835.40x = 22,220.70 × 8,981.80
  4. Step 4: Simplify right side
    14,835.40x = 199,581,883.26
  5. Step 5: Solve for x
    x = 199,581,883.26/14,835.40
  6. Step 6: Final answer
    x = 13,453.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.