Home / 21,232.53-31,848.69-5,437.53

Finding the Fourth Proportional to 21,232.53, 31,848.69 and 5,437.53

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Solution

The fourth proportional to 21,232.53, 31,848.69 and 5,437.53 is: 8,156.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,232.53 : 31,848.69 = 5,437.53 : x
  2. Step 2: Convert to fraction form
    21,232.53/31,848.69 = 5,437.53/x
  3. Step 3: Cross multiply
    21,232.53x = 31,848.69 × 5,437.53
  4. Step 4: Simplify right side
    21,232.53x = 173,178,207.34
  5. Step 5: Solve for x
    x = 173,178,207.34/21,232.53
  6. Step 6: Final answer
    x = 8,156.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.