Home / 17,856.24-24,639.96-9,897.79

Finding the Fourth Proportional to 17,856.24, 24,639.96 and 9,897.79

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Solution

The fourth proportional to 17,856.24, 24,639.96 and 9,897.79 is: 13,658.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,856.24 : 24,639.96 = 9,897.79 : x
  2. Step 2: Convert to fraction form
    17,856.24/24,639.96 = 9,897.79/x
  3. Step 3: Cross multiply
    17,856.24x = 24,639.96 × 9,897.79
  4. Step 4: Simplify right side
    17,856.24x = 243,881,152.72
  5. Step 5: Solve for x
    x = 243,881,152.72/17,856.24
  6. Step 6: Final answer
    x = 13,658.03

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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.