Home / 16,270.56-22,438.08-11,570.40

Finding the Fourth Proportional to 16,270.56, 22,438.08 and 11,570.40

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Solution

The fourth proportional to 16,270.56, 22,438.08 and 11,570.40 is: 15,956.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,270.56 : 22,438.08 = 11,570.40 : x
  2. Step 2: Convert to fraction form
    16,270.56/22,438.08 = 11,570.40/x
  3. Step 3: Cross multiply
    16,270.56x = 22,438.08 × 11,570.40
  4. Step 4: Simplify right side
    16,270.56x = 259,617,560.83
  5. Step 5: Solve for x
    x = 259,617,560.83/16,270.56
  6. Step 6: Final answer
    x = 15,956.28

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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.