Home / 14,051.40-19,413.72-13,913.16

Finding the Fourth Proportional to 14,051.40, 19,413.72 and 13,913.16

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Solution

The fourth proportional to 14,051.40, 19,413.72 and 13,913.16 is: 19,222.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,051.40 : 19,413.72 = 13,913.16 : x
  2. Step 2: Convert to fraction form
    14,051.40/19,413.72 = 13,913.16/x
  3. Step 3: Cross multiply
    14,051.40x = 19,413.72 × 13,913.16
  4. Step 4: Simplify right side
    14,051.40x = 270,106,192.56
  5. Step 5: Solve for x
    x = 270,106,192.56/14,051.40
  6. Step 6: Final answer
    x = 19,222.72

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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.