Home / 15,224.24-21,036.84-11,875.52

Finding the Fourth Proportional to 15,224.24, 21,036.84 and 11,875.52

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Solution

The fourth proportional to 15,224.24, 21,036.84 and 11,875.52 is: 16,409.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,224.24 : 21,036.84 = 11,875.52 : x
  2. Step 2: Convert to fraction form
    15,224.24/21,036.84 = 11,875.52/x
  3. Step 3: Cross multiply
    15,224.24x = 21,036.84 × 11,875.52
  4. Step 4: Simplify right side
    15,224.24x = 249,823,414.16
  5. Step 5: Solve for x
    x = 249,823,414.16/15,224.24
  6. Step 6: Final answer
    x = 16,409.58

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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.