Home / 14,943.64-22,420.30-7,153

Finding the Fourth Proportional to 14,943.64, 22,420.30 and 7,153

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Solution

The fourth proportional to 14,943.64, 22,420.30 and 7,153 is: 10,731.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,943.64 : 22,420.30 = 7,153 : x
  2. Step 2: Convert to fraction form
    14,943.64/22,420.30 = 7,153/x
  3. Step 3: Cross multiply
    14,943.64x = 22,420.30 × 7,153
  4. Step 4: Simplify right side
    14,943.64x = 160,372,405.90
  5. Step 5: Solve for x
    x = 160,372,405.90/14,943.64
  6. Step 6: Final answer
    x = 10,731.82

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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.