Home / 23,290.99-32,139.94-13,219.64

Finding the Fourth Proportional to 23,290.99, 32,139.94 and 13,219.64

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Solution

The fourth proportional to 23,290.99, 32,139.94 and 13,219.64 is: 18,242.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,290.99 : 32,139.94 = 13,219.64 : x
  2. Step 2: Convert to fraction form
    23,290.99/32,139.94 = 13,219.64/x
  3. Step 3: Cross multiply
    23,290.99x = 32,139.94 × 13,219.64
  4. Step 4: Simplify right side
    23,290.99x = 424,878,308.77
  5. Step 5: Solve for x
    x = 424,878,308.77/23,290.99
  6. Step 6: Final answer
    x = 18,242.18

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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.