Home / 19,928.07-29,875.77-9,392.94

Finding the Fourth Proportional to 19,928.07, 29,875.77 and 9,392.94

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Solution

The fourth proportional to 19,928.07, 29,875.77 and 9,392.94 is: 14,081.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,928.07 : 29,875.77 = 9,392.94 : x
  2. Step 2: Convert to fraction form
    19,928.07/29,875.77 = 9,392.94/x
  3. Step 3: Cross multiply
    19,928.07x = 29,875.77 × 9,392.94
  4. Step 4: Simplify right side
    19,928.07x = 280,621,315.06
  5. Step 5: Solve for x
    x = 280,621,315.06/19,928.07
  6. Step 6: Final answer
    x = 14,081.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.