Home / 14,746.72-22,075.92-14,221.60

Finding the Fourth Proportional to 14,746.72, 22,075.92 and 14,221.60

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Solution

The fourth proportional to 14,746.72, 22,075.92 and 14,221.60 is: 21,289.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,746.72 : 22,075.92 = 14,221.60 : x
  2. Step 2: Convert to fraction form
    14,746.72/22,075.92 = 14,221.60/x
  3. Step 3: Cross multiply
    14,746.72x = 22,075.92 × 14,221.60
  4. Step 4: Simplify right side
    14,746.72x = 313,954,903.87
  5. Step 5: Solve for x
    x = 313,954,903.87/14,746.72
  6. Step 6: Final answer
    x = 21,289.81

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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.