Home / 13,840.17-19,093.68-8,807.16

Finding the Fourth Proportional to 13,840.17, 19,093.68 and 8,807.16

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Solution

The fourth proportional to 13,840.17, 19,093.68 and 8,807.16 is: 12,150.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,840.17 : 19,093.68 = 8,807.16 : x
  2. Step 2: Convert to fraction form
    13,840.17/19,093.68 = 8,807.16/x
  3. Step 3: Cross multiply
    13,840.17x = 19,093.68 × 8,807.16
  4. Step 4: Simplify right side
    13,840.17x = 168,161,094.75
  5. Step 5: Solve for x
    x = 168,161,094.75/13,840.17
  6. Step 6: Final answer
    x = 12,150.22

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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.