Home / 28,656.18-39,570.74-17,919.44

Finding the Fourth Proportional to 28,656.18, 39,570.74 and 17,919.44

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Solution

The fourth proportional to 28,656.18, 39,570.74 and 17,919.44 is: 24,744.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,656.18 : 39,570.74 = 17,919.44 : x
  2. Step 2: Convert to fraction form
    28,656.18/39,570.74 = 17,919.44/x
  3. Step 3: Cross multiply
    28,656.18x = 39,570.74 × 17,919.44
  4. Step 4: Simplify right side
    28,656.18x = 709,085,501.19
  5. Step 5: Solve for x
    x = 709,085,501.19/28,656.18
  6. Step 6: Final answer
    x = 24,744.59

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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.