Home / 14,200.80-21,301.20-10,053.60

Finding the Fourth Proportional to 14,200.80, 21,301.20 and 10,053.60

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Solution

The fourth proportional to 14,200.80, 21,301.20 and 10,053.60 is: 15,080.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,200.80 : 21,301.20 = 10,053.60 : x
  2. Step 2: Convert to fraction form
    14,200.80/21,301.20 = 10,053.60/x
  3. Step 3: Cross multiply
    14,200.80x = 21,301.20 × 10,053.60
  4. Step 4: Simplify right side
    14,200.80x = 214,153,744.32
  5. Step 5: Solve for x
    x = 214,153,744.32/14,200.80
  6. Step 6: Final answer
    x = 15,080.40

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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.