Home / 18,733.29-25,799.63-15,560.52

Finding the Fourth Proportional to 18,733.29, 25,799.63 and 15,560.52

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Solution

The fourth proportional to 18,733.29, 25,799.63 and 15,560.52 is: 21,430.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,733.29 : 25,799.63 = 15,560.52 : x
  2. Step 2: Convert to fraction form
    18,733.29/25,799.63 = 15,560.52/x
  3. Step 3: Cross multiply
    18,733.29x = 25,799.63 × 15,560.52
  4. Step 4: Simplify right side
    18,733.29x = 401,455,580.81
  5. Step 5: Solve for x
    x = 401,455,580.81/18,733.29
  6. Step 6: Final answer
    x = 21,430.06

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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.