Home / 14,976.93-20,667.40-9,007.45

Finding the Fourth Proportional to 14,976.93, 20,667.40 and 9,007.45

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Solution

The fourth proportional to 14,976.93, 20,667.40 and 9,007.45 is: 12,429.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,976.93 : 20,667.40 = 9,007.45 : x
  2. Step 2: Convert to fraction form
    14,976.93/20,667.40 = 9,007.45/x
  3. Step 3: Cross multiply
    14,976.93x = 20,667.40 × 9,007.45
  4. Step 4: Simplify right side
    14,976.93x = 186,160,572.13
  5. Step 5: Solve for x
    x = 186,160,572.13/14,976.93
  6. Step 6: Final answer
    x = 12,429.82

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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.