Home / 27,647.07-38,141.13-18,070.32

Finding the Fourth Proportional to 27,647.07, 38,141.13 and 18,070.32

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Solution

The fourth proportional to 27,647.07, 38,141.13 and 18,070.32 is: 24,929.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,647.07 : 38,141.13 = 18,070.32 : x
  2. Step 2: Convert to fraction form
    27,647.07/38,141.13 = 18,070.32/x
  3. Step 3: Cross multiply
    27,647.07x = 38,141.13 × 18,070.32
  4. Step 4: Simplify right side
    27,647.07x = 689,222,424.26
  5. Step 5: Solve for x
    x = 689,222,424.26/27,647.07
  6. Step 6: Final answer
    x = 24,929.31

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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.