Home / 19,998.27-27,602.95-11,501.32

Finding the Fourth Proportional to 19,998.27, 27,602.95 and 11,501.32

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Solution

The fourth proportional to 19,998.27, 27,602.95 and 11,501.32 is: 15,874.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,998.27 : 27,602.95 = 11,501.32 : x
  2. Step 2: Convert to fraction form
    19,998.27/27,602.95 = 11,501.32/x
  3. Step 3: Cross multiply
    19,998.27x = 27,602.95 × 11,501.32
  4. Step 4: Simplify right side
    19,998.27x = 317,470,360.89
  5. Step 5: Solve for x
    x = 317,470,360.89/19,998.27
  6. Step 6: Final answer
    x = 15,874.89

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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.