Home / 19,118.76-26,401.32-14,394.84

Finding the Fourth Proportional to 19,118.76, 26,401.32 and 14,394.84

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Solution

The fourth proportional to 19,118.76, 26,401.32 and 14,394.84 is: 19,878.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,118.76 : 26,401.32 = 14,394.84 : x
  2. Step 2: Convert to fraction form
    19,118.76/26,401.32 = 14,394.84/x
  3. Step 3: Cross multiply
    19,118.76x = 26,401.32 × 14,394.84
  4. Step 4: Simplify right side
    19,118.76x = 380,042,777.19
  5. Step 5: Solve for x
    x = 380,042,777.19/19,118.76
  6. Step 6: Final answer
    x = 19,878.00

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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.