Home / 15,525.03-21,424.59-9,237

Finding the Fourth Proportional to 15,525.03, 21,424.59 and 9,237

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Solution

The fourth proportional to 15,525.03, 21,424.59 and 9,237 is: 12,747.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,525.03 : 21,424.59 = 9,237 : x
  2. Step 2: Convert to fraction form
    15,525.03/21,424.59 = 9,237/x
  3. Step 3: Cross multiply
    15,525.03x = 21,424.59 × 9,237
  4. Step 4: Simplify right side
    15,525.03x = 197,898,937.83
  5. Step 5: Solve for x
    x = 197,898,937.83/15,525.03
  6. Step 6: Final answer
    x = 12,747.09

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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.