Home / 19,682.54-27,161.75-10,730.01

Finding the Fourth Proportional to 19,682.54, 27,161.75 and 10,730.01

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Solution

The fourth proportional to 19,682.54, 27,161.75 and 10,730.01 is: 14,807.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,682.54 : 27,161.75 = 10,730.01 : x
  2. Step 2: Convert to fraction form
    19,682.54/27,161.75 = 10,730.01/x
  3. Step 3: Cross multiply
    19,682.54x = 27,161.75 × 10,730.01
  4. Step 4: Simplify right side
    19,682.54x = 291,445,875.94
  5. Step 5: Solve for x
    x = 291,445,875.94/19,682.54
  6. Step 6: Final answer
    x = 14,807.33

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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.