Home / 13,849.40-19,106.74-8,535

Finding the Fourth Proportional to 13,849.40, 19,106.74 and 8,535

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Solution

The fourth proportional to 13,849.40, 19,106.74 and 8,535 is: 11,774.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,849.40 : 19,106.74 = 8,535 : x
  2. Step 2: Convert to fraction form
    13,849.40/19,106.74 = 8,535/x
  3. Step 3: Cross multiply
    13,849.40x = 19,106.74 × 8,535
  4. Step 4: Simplify right side
    13,849.40x = 163,076,025.90
  5. Step 5: Solve for x
    x = 163,076,025.90/13,849.40
  6. Step 6: Final answer
    x = 11,774.95

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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.