Home / 14,151.09-21,206.52-10,424.01

Finding the Fourth Proportional to 14,151.09, 21,206.52 and 10,424.01

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Solution

The fourth proportional to 14,151.09, 21,206.52 and 10,424.01 is: 15,621.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,151.09 : 21,206.52 = 10,424.01 : x
  2. Step 2: Convert to fraction form
    14,151.09/21,206.52 = 10,424.01/x
  3. Step 3: Cross multiply
    14,151.09x = 21,206.52 × 10,424.01
  4. Step 4: Simplify right side
    14,151.09x = 221,056,976.55
  5. Step 5: Solve for x
    x = 221,056,976.55/14,151.09
  6. Step 6: Final answer
    x = 15,621.20

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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.