Home / 13,571.27-18,728.24-7,603.00

Finding the Fourth Proportional to 13,571.27, 18,728.24 and 7,603.00

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Solution

The fourth proportional to 13,571.27, 18,728.24 and 7,603.00 is: 10,492.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,571.27 : 18,728.24 = 7,603.00 : x
  2. Step 2: Convert to fraction form
    13,571.27/18,728.24 = 7,603.00/x
  3. Step 3: Cross multiply
    13,571.27x = 18,728.24 × 7,603.00
  4. Step 4: Simplify right side
    13,571.27x = 142,390,715.08
  5. Step 5: Solve for x
    x = 142,390,715.08/13,571.27
  6. Step 6: Final answer
    x = 10,492.07

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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.