Home / 15,663.12-23,499.80-5,803.12

Finding the Fourth Proportional to 15,663.12, 23,499.80 and 5,803.12

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Solution

The fourth proportional to 15,663.12, 23,499.80 and 5,803.12 is: 8,706.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,663.12 : 23,499.80 = 5,803.12 : x
  2. Step 2: Convert to fraction form
    15,663.12/23,499.80 = 5,803.12/x
  3. Step 3: Cross multiply
    15,663.12x = 23,499.80 × 5,803.12
  4. Step 4: Simplify right side
    15,663.12x = 136,372,159.38
  5. Step 5: Solve for x
    x = 136,372,159.38/15,663.12
  6. Step 6: Final answer
    x = 8,706.58

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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.