Home / 15,417.44-21,276.24-9,045.44

Finding the Fourth Proportional to 15,417.44, 21,276.24 and 9,045.44

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Solution

The fourth proportional to 15,417.44, 21,276.24 and 9,045.44 is: 12,482.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,417.44 : 21,276.24 = 9,045.44 : x
  2. Step 2: Convert to fraction form
    15,417.44/21,276.24 = 9,045.44/x
  3. Step 3: Cross multiply
    15,417.44x = 21,276.24 × 9,045.44
  4. Step 4: Simplify right side
    15,417.44x = 192,452,952.35
  5. Step 5: Solve for x
    x = 192,452,952.35/15,417.44
  6. Step 6: Final answer
    x = 12,482.81

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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.