Home / 19,688.88-29,532.90-6,541.36

Finding the Fourth Proportional to 19,688.88, 29,532.90 and 6,541.36

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Solution

The fourth proportional to 19,688.88, 29,532.90 and 6,541.36 is: 9,811.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,688.88 : 29,532.90 = 6,541.36 : x
  2. Step 2: Convert to fraction form
    19,688.88/29,532.90 = 6,541.36/x
  3. Step 3: Cross multiply
    19,688.88x = 29,532.90 × 6,541.36
  4. Step 4: Simplify right side
    19,688.88x = 193,185,330.74
  5. Step 5: Solve for x
    x = 193,185,330.74/19,688.88
  6. Step 6: Final answer
    x = 9,811.90

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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.