Home / 14,172.21-19,528.79-10,966.05

Finding the Fourth Proportional to 14,172.21, 19,528.79 and 10,966.05

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Solution

The fourth proportional to 14,172.21, 19,528.79 and 10,966.05 is: 15,110.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,172.21 : 19,528.79 = 10,966.05 : x
  2. Step 2: Convert to fraction form
    14,172.21/19,528.79 = 10,966.05/x
  3. Step 3: Cross multiply
    14,172.21x = 19,528.79 × 10,966.05
  4. Step 4: Simplify right side
    14,172.21x = 214,153,632.75
  5. Step 5: Solve for x
    x = 214,153,632.75/14,172.21
  6. Step 6: Final answer
    x = 15,110.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.