Home / 18,042.48-24,899.76-10,085.28

Finding the Fourth Proportional to 18,042.48, 24,899.76 and 10,085.28

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Solution

The fourth proportional to 18,042.48, 24,899.76 and 10,085.28 is: 13,918.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,042.48 : 24,899.76 = 10,085.28 : x
  2. Step 2: Convert to fraction form
    18,042.48/24,899.76 = 10,085.28/x
  3. Step 3: Cross multiply
    18,042.48x = 24,899.76 × 10,085.28
  4. Step 4: Simplify right side
    18,042.48x = 251,121,051.53
  5. Step 5: Solve for x
    x = 251,121,051.53/18,042.48
  6. Step 6: Final answer
    x = 13,918.32

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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.