Home / 19,554.14-26,977.64-12,843.40

Finding the Fourth Proportional to 19,554.14, 26,977.64 and 12,843.40

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Solution

The fourth proportional to 19,554.14, 26,977.64 and 12,843.40 is: 17,719.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,554.14 : 26,977.64 = 12,843.40 : x
  2. Step 2: Convert to fraction form
    19,554.14/26,977.64 = 12,843.40/x
  3. Step 3: Cross multiply
    19,554.14x = 26,977.64 × 12,843.40
  4. Step 4: Simplify right side
    19,554.14x = 346,484,557.36
  5. Step 5: Solve for x
    x = 346,484,557.36/19,554.14
  6. Step 6: Final answer
    x = 17,719.25

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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.