Home / 19,279.49-28,896.10-9,923.93

Finding the Fourth Proportional to 19,279.49, 28,896.10 and 9,923.93

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Solution

The fourth proportional to 19,279.49, 28,896.10 and 9,923.93 is: 14,873.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,279.49 : 28,896.10 = 9,923.93 : x
  2. Step 2: Convert to fraction form
    19,279.49/28,896.10 = 9,923.93/x
  3. Step 3: Cross multiply
    19,279.49x = 28,896.10 × 9,923.93
  4. Step 4: Simplify right side
    19,279.49x = 286,762,873.67
  5. Step 5: Solve for x
    x = 286,762,873.67/19,279.49
  6. Step 6: Final answer
    x = 14,873.99

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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.