Home / 14,374.17-19,838.16-8,086.50

Finding the Fourth Proportional to 14,374.17, 19,838.16 and 8,086.50

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Solution

The fourth proportional to 14,374.17, 19,838.16 and 8,086.50 is: 11,160.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,374.17 : 19,838.16 = 8,086.50 : x
  2. Step 2: Convert to fraction form
    14,374.17/19,838.16 = 8,086.50/x
  3. Step 3: Cross multiply
    14,374.17x = 19,838.16 × 8,086.50
  4. Step 4: Simplify right side
    14,374.17x = 160,421,280.84
  5. Step 5: Solve for x
    x = 160,421,280.84/14,374.17
  6. Step 6: Final answer
    x = 11,160.39

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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.