Home / 13,847.15-19,109.12-7,559.63

Finding the Fourth Proportional to 13,847.15, 19,109.12 and 7,559.63

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Solution

The fourth proportional to 13,847.15, 19,109.12 and 7,559.63 is: 10,432.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,847.15 : 19,109.12 = 7,559.63 : x
  2. Step 2: Convert to fraction form
    13,847.15/19,109.12 = 7,559.63/x
  3. Step 3: Cross multiply
    13,847.15x = 19,109.12 × 7,559.63
  4. Step 4: Simplify right side
    13,847.15x = 144,457,876.83
  5. Step 5: Solve for x
    x = 144,457,876.83/13,847.15
  6. Step 6: Final answer
    x = 10,432.32

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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.