Home / 15,527.70-21,439.89-10,832.94

Finding the Fourth Proportional to 15,527.70, 21,439.89 and 10,832.94

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Solution

The fourth proportional to 15,527.70, 21,439.89 and 10,832.94 is: 14,957.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,527.70 : 21,439.89 = 10,832.94 : x
  2. Step 2: Convert to fraction form
    15,527.70/21,439.89 = 10,832.94/x
  3. Step 3: Cross multiply
    15,527.70x = 21,439.89 × 10,832.94
  4. Step 4: Simplify right side
    15,527.70x = 232,257,041.98
  5. Step 5: Solve for x
    x = 232,257,041.98/15,527.70
  6. Step 6: Final answer
    x = 14,957.59

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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.