Home / 23,595.57-32,561.87-12,985.21

Finding the Fourth Proportional to 23,595.57, 32,561.87 and 12,985.21

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Solution

The fourth proportional to 23,595.57, 32,561.87 and 12,985.21 is: 17,919.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,595.57 : 32,561.87 = 12,985.21 : x
  2. Step 2: Convert to fraction form
    23,595.57/32,561.87 = 12,985.21/x
  3. Step 3: Cross multiply
    23,595.57x = 32,561.87 × 12,985.21
  4. Step 4: Simplify right side
    23,595.57x = 422,822,557.13
  5. Step 5: Solve for x
    x = 422,822,557.13/23,595.57
  6. Step 6: Final answer
    x = 17,919.57

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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.