Home / 13,999.32-19,319.02-7,626.26

Finding the Fourth Proportional to 13,999.32, 19,319.02 and 7,626.26

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Solution

The fourth proportional to 13,999.32, 19,319.02 and 7,626.26 is: 10,524.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,999.32 : 19,319.02 = 7,626.26 : x
  2. Step 2: Convert to fraction form
    13,999.32/19,319.02 = 7,626.26/x
  3. Step 3: Cross multiply
    13,999.32x = 19,319.02 × 7,626.26
  4. Step 4: Simplify right side
    13,999.32x = 147,331,898.70
  5. Step 5: Solve for x
    x = 147,331,898.70/13,999.32
  6. Step 6: Final answer
    x = 10,524.22

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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.