Home / 13,472.45-18,598.49-10,440.72

Finding the Fourth Proportional to 13,472.45, 18,598.49 and 10,440.72

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Solution

The fourth proportional to 13,472.45, 18,598.49 and 10,440.72 is: 14,413.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,472.45 : 18,598.49 = 10,440.72 : x
  2. Step 2: Convert to fraction form
    13,472.45/18,598.49 = 10,440.72/x
  3. Step 3: Cross multiply
    13,472.45x = 18,598.49 × 10,440.72
  4. Step 4: Simplify right side
    13,472.45x = 194,181,626.51
  5. Step 5: Solve for x
    x = 194,181,626.51/13,472.45
  6. Step 6: Final answer
    x = 14,413.24

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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.