Home / 13,925.16-19,218.06-7,957.26

Finding the Fourth Proportional to 13,925.16, 19,218.06 and 7,957.26

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Solution

The fourth proportional to 13,925.16, 19,218.06 and 7,957.26 is: 10,981.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,925.16 : 19,218.06 = 7,957.26 : x
  2. Step 2: Convert to fraction form
    13,925.16/19,218.06 = 7,957.26/x
  3. Step 3: Cross multiply
    13,925.16x = 19,218.06 × 7,957.26
  4. Step 4: Simplify right side
    13,925.16x = 152,923,100.12
  5. Step 5: Solve for x
    x = 152,923,100.12/13,925.16
  6. Step 6: Final answer
    x = 10,981.78

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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.