Home / 14,724.77-20,320.42-8,010.40

Finding the Fourth Proportional to 14,724.77, 20,320.42 and 8,010.40

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Solution

The fourth proportional to 14,724.77, 20,320.42 and 8,010.40 is: 11,054.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,724.77 : 20,320.42 = 8,010.40 : x
  2. Step 2: Convert to fraction form
    14,724.77/20,320.42 = 8,010.40/x
  3. Step 3: Cross multiply
    14,724.77x = 20,320.42 × 8,010.40
  4. Step 4: Simplify right side
    14,724.77x = 162,774,590.77
  5. Step 5: Solve for x
    x = 162,774,590.77/14,724.77
  6. Step 6: Final answer
    x = 11,054.48

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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.