Home / 13,963.75-19,270.34-7,590.77

Finding the Fourth Proportional to 13,963.75, 19,270.34 and 7,590.77

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Solution

The fourth proportional to 13,963.75, 19,270.34 and 7,590.77 is: 10,475.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,963.75 : 19,270.34 = 7,590.77 : x
  2. Step 2: Convert to fraction form
    13,963.75/19,270.34 = 7,590.77/x
  3. Step 3: Cross multiply
    13,963.75x = 19,270.34 × 7,590.77
  4. Step 4: Simplify right side
    13,963.75x = 146,276,730.76
  5. Step 5: Solve for x
    x = 146,276,730.76/13,963.75
  6. Step 6: Final answer
    x = 10,475.46

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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.