Home / 13,528.10-18,674.30-11,632.07

Finding the Fourth Proportional to 13,528.10, 18,674.30 and 11,632.07

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Solution

The fourth proportional to 13,528.10, 18,674.30 and 11,632.07 is: 16,057.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,528.10 : 18,674.30 = 11,632.07 : x
  2. Step 2: Convert to fraction form
    13,528.10/18,674.30 = 11,632.07/x
  3. Step 3: Cross multiply
    13,528.10x = 18,674.30 × 11,632.07
  4. Step 4: Simplify right side
    13,528.10x = 217,220,840.57
  5. Step 5: Solve for x
    x = 217,220,840.57/13,528.10
  6. Step 6: Final answer
    x = 16,057.01

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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.