Home / 19,052.16-26,285.40-11,979.12

Finding the Fourth Proportional to 19,052.16, 26,285.40 and 11,979.12

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Solution

The fourth proportional to 19,052.16, 26,285.40 and 11,979.12 is: 16,527.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,052.16 : 26,285.40 = 11,979.12 : x
  2. Step 2: Convert to fraction form
    19,052.16/26,285.40 = 11,979.12/x
  3. Step 3: Cross multiply
    19,052.16x = 26,285.40 × 11,979.12
  4. Step 4: Simplify right side
    19,052.16x = 314,875,960.85
  5. Step 5: Solve for x
    x = 314,875,960.85/19,052.16
  6. Step 6: Final answer
    x = 16,527.05

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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.