Home / 14,178.19-19,557.30-8,868.64

Finding the Fourth Proportional to 14,178.19, 19,557.30 and 8,868.64

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Solution

The fourth proportional to 14,178.19, 19,557.30 and 8,868.64 is: 12,233.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,178.19 : 19,557.30 = 8,868.64 : x
  2. Step 2: Convert to fraction form
    14,178.19/19,557.30 = 8,868.64/x
  3. Step 3: Cross multiply
    14,178.19x = 19,557.30 × 8,868.64
  4. Step 4: Simplify right side
    14,178.19x = 173,446,653.07
  5. Step 5: Solve for x
    x = 173,446,653.07/14,178.19
  6. Step 6: Final answer
    x = 12,233.34

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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.