Home / 18,842.51-26,003.16-10,665.45

Finding the Fourth Proportional to 18,842.51, 26,003.16 and 10,665.45

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Solution

The fourth proportional to 18,842.51, 26,003.16 and 10,665.45 is: 14,718.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,842.51 : 26,003.16 = 10,665.45 : x
  2. Step 2: Convert to fraction form
    18,842.51/26,003.16 = 10,665.45/x
  3. Step 3: Cross multiply
    18,842.51x = 26,003.16 × 10,665.45
  4. Step 4: Simplify right side
    18,842.51x = 277,335,402.82
  5. Step 5: Solve for x
    x = 277,335,402.82/18,842.51
  6. Step 6: Final answer
    x = 14,718.60

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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.