Home / 15,597.34-21,551.82-11,558.36

Finding the Fourth Proportional to 15,597.34, 21,551.82 and 11,558.36

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Solution

The fourth proportional to 15,597.34, 21,551.82 and 11,558.36 is: 15,970.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,597.34 : 21,551.82 = 11,558.36 : x
  2. Step 2: Convert to fraction form
    15,597.34/21,551.82 = 11,558.36/x
  3. Step 3: Cross multiply
    15,597.34x = 21,551.82 × 11,558.36
  4. Step 4: Simplify right side
    15,597.34x = 249,103,694.22
  5. Step 5: Solve for x
    x = 249,103,694.22/15,597.34
  6. Step 6: Final answer
    x = 15,970.91

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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.