Home / 19,455.84-29,188.02-6,309.54

Finding the Fourth Proportional to 19,455.84, 29,188.02 and 6,309.54

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Solution

The fourth proportional to 19,455.84, 29,188.02 and 6,309.54 is: 9,465.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,455.84 : 29,188.02 = 6,309.54 : x
  2. Step 2: Convert to fraction form
    19,455.84/29,188.02 = 6,309.54/x
  3. Step 3: Cross multiply
    19,455.84x = 29,188.02 × 6,309.54
  4. Step 4: Simplify right side
    19,455.84x = 184,162,979.71
  5. Step 5: Solve for x
    x = 184,162,979.71/19,455.84
  6. Step 6: Final answer
    x = 9,465.69

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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.