Home / 15,533.66-21,436.54-9,246.26

Finding the Fourth Proportional to 15,533.66, 21,436.54 and 9,246.26

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Solution

The fourth proportional to 15,533.66, 21,436.54 and 9,246.26 is: 12,759.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,533.66 : 21,436.54 = 9,246.26 : x
  2. Step 2: Convert to fraction form
    15,533.66/21,436.54 = 9,246.26/x
  3. Step 3: Cross multiply
    15,533.66x = 21,436.54 × 9,246.26
  4. Step 4: Simplify right side
    15,533.66x = 198,207,822.34
  5. Step 5: Solve for x
    x = 198,207,822.34/15,533.66
  6. Step 6: Final answer
    x = 12,759.89

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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.