Home / 19,476.90-26,871.67-10,977.98

Finding the Fourth Proportional to 19,476.90, 26,871.67 and 10,977.98

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Solution

The fourth proportional to 19,476.90, 26,871.67 and 10,977.98 is: 15,145.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,476.90 : 26,871.67 = 10,977.98 : x
  2. Step 2: Convert to fraction form
    19,476.90/26,871.67 = 10,977.98/x
  3. Step 3: Cross multiply
    19,476.90x = 26,871.67 × 10,977.98
  4. Step 4: Simplify right side
    19,476.90x = 294,996,494.02
  5. Step 5: Solve for x
    x = 294,996,494.02/19,476.90
  6. Step 6: Final answer
    x = 15,145.97

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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.