Home / 13,807.48-19,043.06-8,492.76

Finding the Fourth Proportional to 13,807.48, 19,043.06 and 8,492.76

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Solution

The fourth proportional to 13,807.48, 19,043.06 and 8,492.76 is: 11,713.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,807.48 : 19,043.06 = 8,492.76 : x
  2. Step 2: Convert to fraction form
    13,807.48/19,043.06 = 8,492.76/x
  3. Step 3: Cross multiply
    13,807.48x = 19,043.06 × 8,492.76
  4. Step 4: Simplify right side
    13,807.48x = 161,728,138.25
  5. Step 5: Solve for x
    x = 161,728,138.25/13,807.48
  6. Step 6: Final answer
    x = 11,713.08

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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.