Home / 15,943.79-23,903.78-10,999.32

Finding the Fourth Proportional to 15,943.79, 23,903.78 and 10,999.32

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Solution

The fourth proportional to 15,943.79, 23,903.78 and 10,999.32 is: 16,490.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,943.79 : 23,903.78 = 10,999.32 : x
  2. Step 2: Convert to fraction form
    15,943.79/23,903.78 = 10,999.32/x
  3. Step 3: Cross multiply
    15,943.79x = 23,903.78 × 10,999.32
  4. Step 4: Simplify right side
    15,943.79x = 262,925,270.43
  5. Step 5: Solve for x
    x = 262,925,270.43/15,943.79
  6. Step 6: Final answer
    x = 16,490.77

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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.