Home / 13,879.85-19,154.75-7,592.22

Finding the Fourth Proportional to 13,879.85, 19,154.75 and 7,592.22

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Solution

The fourth proportional to 13,879.85, 19,154.75 and 7,592.22 is: 10,477.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,879.85 : 19,154.75 = 7,592.22 : x
  2. Step 2: Convert to fraction form
    13,879.85/19,154.75 = 7,592.22/x
  3. Step 3: Cross multiply
    13,879.85x = 19,154.75 × 7,592.22
  4. Step 4: Simplify right side
    13,879.85x = 145,427,038.08
  5. Step 5: Solve for x
    x = 145,427,038.08/13,879.85
  6. Step 6: Final answer
    x = 10,477.57

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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.