Home / 15,533.34-21,432.51-13,025.58

Finding the Fourth Proportional to 15,533.34, 21,432.51 and 13,025.58

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Solution

The fourth proportional to 15,533.34, 21,432.51 and 13,025.58 is: 17,972.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,533.34 : 21,432.51 = 13,025.58 : x
  2. Step 2: Convert to fraction form
    15,533.34/21,432.51 = 13,025.58/x
  3. Step 3: Cross multiply
    15,533.34x = 21,432.51 × 13,025.58
  4. Step 4: Simplify right side
    15,533.34x = 279,170,873.61
  5. Step 5: Solve for x
    x = 279,170,873.61/15,533.34
  6. Step 6: Final answer
    x = 17,972.37

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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.