Home / 19,156.80-26,414.40-12,341.76

Finding the Fourth Proportional to 19,156.80, 26,414.40 and 12,341.76

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Solution

The fourth proportional to 19,156.80, 26,414.40 and 12,341.76 is: 17,017.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,156.80 : 26,414.40 = 12,341.76 : x
  2. Step 2: Convert to fraction form
    19,156.80/26,414.40 = 12,341.76/x
  3. Step 3: Cross multiply
    19,156.80x = 26,414.40 × 12,341.76
  4. Step 4: Simplify right side
    19,156.80x = 326,000,185.34
  5. Step 5: Solve for x
    x = 326,000,185.34/19,156.80
  6. Step 6: Final answer
    x = 17,017.47

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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.