Home / 19,700.63-29,555.81-6,553.11

Finding the Fourth Proportional to 19,700.63, 29,555.81 and 6,553.11

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Solution

The fourth proportional to 19,700.63, 29,555.81 and 6,553.11 is: 9,831.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,700.63 : 29,555.81 = 6,553.11 : x
  2. Step 2: Convert to fraction form
    19,700.63/29,555.81 = 6,553.11/x
  3. Step 3: Cross multiply
    19,700.63x = 29,555.81 × 6,553.11
  4. Step 4: Simplify right side
    19,700.63x = 193,682,576.71
  5. Step 5: Solve for x
    x = 193,682,576.71/19,700.63
  6. Step 6: Final answer
    x = 9,831.29

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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.