Home / 15,235.12-21,025.47-9,267.04

Finding the Fourth Proportional to 15,235.12, 21,025.47 and 9,267.04

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Solution

The fourth proportional to 15,235.12, 21,025.47 and 9,267.04 is: 12,789.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,235.12 : 21,025.47 = 9,267.04 : x
  2. Step 2: Convert to fraction form
    15,235.12/21,025.47 = 9,267.04/x
  3. Step 3: Cross multiply
    15,235.12x = 21,025.47 × 9,267.04
  4. Step 4: Simplify right side
    15,235.12x = 194,843,871.51
  5. Step 5: Solve for x
    x = 194,843,871.51/15,235.12
  6. Step 6: Final answer
    x = 12,789.13

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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.