Home / 19,730.64-27,226.86-10,776.24

Finding the Fourth Proportional to 19,730.64, 27,226.86 and 10,776.24

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Solution

The fourth proportional to 19,730.64, 27,226.86 and 10,776.24 is: 14,870.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,730.64 : 27,226.86 = 10,776.24 : x
  2. Step 2: Convert to fraction form
    19,730.64/27,226.86 = 10,776.24/x
  3. Step 3: Cross multiply
    19,730.64x = 27,226.86 × 10,776.24
  4. Step 4: Simplify right side
    19,730.64x = 293,403,167.70
  5. Step 5: Solve for x
    x = 293,403,167.70/19,730.64
  6. Step 6: Final answer
    x = 14,870.43

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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.