Home / 19,476.15-26,870.64-10,977.22

Finding the Fourth Proportional to 19,476.15, 26,870.64 and 10,977.22

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Solution

The fourth proportional to 19,476.15, 26,870.64 and 10,977.22 is: 15,144.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,476.15 : 26,870.64 = 10,977.22 : x
  2. Step 2: Convert to fraction form
    19,476.15/26,870.64 = 10,977.22/x
  3. Step 3: Cross multiply
    19,476.15x = 26,870.64 × 10,977.22
  4. Step 4: Simplify right side
    19,476.15x = 294,964,919.24
  5. Step 5: Solve for x
    x = 294,964,919.24/19,476.15
  6. Step 6: Final answer
    x = 15,144.93

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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.