Home / 15,607.67-21,533.30-8,888.53

Finding the Fourth Proportional to 15,607.67, 21,533.30 and 8,888.53

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Solution

The fourth proportional to 15,607.67, 21,533.30 and 8,888.53 is: 12,263.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,607.67 : 21,533.30 = 8,888.53 : x
  2. Step 2: Convert to fraction form
    15,607.67/21,533.30 = 8,888.53/x
  3. Step 3: Cross multiply
    15,607.67x = 21,533.30 × 8,888.53
  4. Step 4: Simplify right side
    15,607.67x = 191,399,351.44
  5. Step 5: Solve for x
    x = 191,399,351.44/15,607.67
  6. Step 6: Final answer
    x = 12,263.16

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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.