Home / 14,979.84-20,653.56-11,437.44

Finding the Fourth Proportional to 14,979.84, 20,653.56 and 11,437.44

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Solution

The fourth proportional to 14,979.84, 20,653.56 and 11,437.44 is: 15,769.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,979.84 : 20,653.56 = 11,437.44 : x
  2. Step 2: Convert to fraction form
    14,979.84/20,653.56 = 11,437.44/x
  3. Step 3: Cross multiply
    14,979.84x = 20,653.56 × 11,437.44
  4. Step 4: Simplify right side
    14,979.84x = 236,223,853.29
  5. Step 5: Solve for x
    x = 236,223,853.29/14,979.84
  6. Step 6: Final answer
    x = 15,769.45

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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.