Home / 13,807.06-19,046.13-9,337.07

Finding the Fourth Proportional to 13,807.06, 19,046.13 and 9,337.07

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Solution

The fourth proportional to 13,807.06, 19,046.13 and 9,337.07 is: 12,880.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,807.06 : 19,046.13 = 9,337.07 : x
  2. Step 2: Convert to fraction form
    13,807.06/19,046.13 = 9,337.07/x
  3. Step 3: Cross multiply
    13,807.06x = 19,046.13 × 9,337.07
  4. Step 4: Simplify right side
    13,807.06x = 177,835,049.04
  5. Step 5: Solve for x
    x = 177,835,049.04/13,807.06
  6. Step 6: Final answer
    x = 12,880.01

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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.