Home / 22,156.56-30,586.80-14,210.64

Finding the Fourth Proportional to 22,156.56, 30,586.80 and 14,210.64

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Solution

The fourth proportional to 22,156.56, 30,586.80 and 14,210.64 is: 19,617.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,156.56 : 30,586.80 = 14,210.64 : x
  2. Step 2: Convert to fraction form
    22,156.56/30,586.80 = 14,210.64/x
  3. Step 3: Cross multiply
    22,156.56x = 30,586.80 × 14,210.64
  4. Step 4: Simplify right side
    22,156.56x = 434,658,003.55
  5. Step 5: Solve for x
    x = 434,658,003.55/22,156.56
  6. Step 6: Final answer
    x = 19,617.58

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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.