Home / 15,335.08-22,888.84-13,217.64

Finding the Fourth Proportional to 15,335.08, 22,888.84 and 13,217.64

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Solution

The fourth proportional to 15,335.08, 22,888.84 and 13,217.64 is: 19,728.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,335.08 : 22,888.84 = 13,217.64 : x
  2. Step 2: Convert to fraction form
    15,335.08/22,888.84 = 13,217.64/x
  3. Step 3: Cross multiply
    15,335.08x = 22,888.84 × 13,217.64
  4. Step 4: Simplify right side
    15,335.08x = 302,536,447.14
  5. Step 5: Solve for x
    x = 302,536,447.14/15,335.08
  6. Step 6: Final answer
    x = 19,728.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.