Home / 28,926.54-39,925.44-18,837.54

Finding the Fourth Proportional to 28,926.54, 39,925.44 and 18,837.54

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Solution

The fourth proportional to 28,926.54, 39,925.44 and 18,837.54 is: 26,000.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,926.54 : 39,925.44 = 18,837.54 : x
  2. Step 2: Convert to fraction form
    28,926.54/39,925.44 = 18,837.54/x
  3. Step 3: Cross multiply
    28,926.54x = 39,925.44 × 18,837.54
  4. Step 4: Simplify right side
    28,926.54x = 752,097,073.02
  5. Step 5: Solve for x
    x = 752,097,073.02/28,926.54
  6. Step 6: Final answer
    x = 26,000.24

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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.