Home / 15,980.16-22,024.80-10,666.56

Finding the Fourth Proportional to 15,980.16, 22,024.80 and 10,666.56

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Solution

The fourth proportional to 15,980.16, 22,024.80 and 10,666.56 is: 14,701.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,980.16 : 22,024.80 = 10,666.56 : x
  2. Step 2: Convert to fraction form
    15,980.16/22,024.80 = 10,666.56/x
  3. Step 3: Cross multiply
    15,980.16x = 22,024.80 × 10,666.56
  4. Step 4: Simplify right side
    15,980.16x = 234,928,850.69
  5. Step 5: Solve for x
    x = 234,928,850.69/15,980.16
  6. Step 6: Final answer
    x = 14,701.28

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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.