Home / 19,089.95-26,340.17-12,374.64

Finding the Fourth Proportional to 19,089.95, 26,340.17 and 12,374.64

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Solution

The fourth proportional to 19,089.95, 26,340.17 and 12,374.64 is: 17,074.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,089.95 : 26,340.17 = 12,374.64 : x
  2. Step 2: Convert to fraction form
    19,089.95/26,340.17 = 12,374.64/x
  3. Step 3: Cross multiply
    19,089.95x = 26,340.17 × 12,374.64
  4. Step 4: Simplify right side
    19,089.95x = 325,950,059.42
  5. Step 5: Solve for x
    x = 325,950,059.42/19,089.95
  6. Step 6: Final answer
    x = 17,074.44

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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.