Home / 15,104.48-20,848.46-9,136.53

Finding the Fourth Proportional to 15,104.48, 20,848.46 and 9,136.53

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Solution

The fourth proportional to 15,104.48, 20,848.46 and 9,136.53 is: 12,611.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,104.48 : 20,848.46 = 9,136.53 : x
  2. Step 2: Convert to fraction form
    15,104.48/20,848.46 = 9,136.53/x
  3. Step 3: Cross multiply
    15,104.48x = 20,848.46 × 9,136.53
  4. Step 4: Simplify right side
    15,104.48x = 190,482,534.56
  5. Step 5: Solve for x
    x = 190,482,534.56/15,104.48
  6. Step 6: Final answer
    x = 12,611.00

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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.