Home / 15,807.55-23,687.86-6,436.10

Finding the Fourth Proportional to 15,807.55, 23,687.86 and 6,436.10

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Solution

The fourth proportional to 15,807.55, 23,687.86 and 6,436.10 is: 9,644.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,807.55 : 23,687.86 = 6,436.10 : x
  2. Step 2: Convert to fraction form
    15,807.55/23,687.86 = 6,436.10/x
  3. Step 3: Cross multiply
    15,807.55x = 23,687.86 × 6,436.10
  4. Step 4: Simplify right side
    15,807.55x = 152,457,490.94
  5. Step 5: Solve for x
    x = 152,457,490.94/15,807.55
  6. Step 6: Final answer
    x = 9,644.60

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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.