Home / 14,749.80-22,124.70-9,220.20

Finding the Fourth Proportional to 14,749.80, 22,124.70 and 9,220.20

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Solution

The fourth proportional to 14,749.80, 22,124.70 and 9,220.20 is: 13,830.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,749.80 : 22,124.70 = 9,220.20 : x
  2. Step 2: Convert to fraction form
    14,749.80/22,124.70 = 9,220.20/x
  3. Step 3: Cross multiply
    14,749.80x = 22,124.70 × 9,220.20
  4. Step 4: Simplify right side
    14,749.80x = 203,994,158.94
  5. Step 5: Solve for x
    x = 203,994,158.94/14,749.80
  6. Step 6: Final answer
    x = 13,830.30

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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.