Home / 19,463.36-26,855.04-12,400.16

Finding the Fourth Proportional to 19,463.36, 26,855.04 and 12,400.16

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Solution

The fourth proportional to 19,463.36, 26,855.04 and 12,400.16 is: 17,109.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,463.36 : 26,855.04 = 12,400.16 : x
  2. Step 2: Convert to fraction form
    19,463.36/26,855.04 = 12,400.16/x
  3. Step 3: Cross multiply
    19,463.36x = 26,855.04 × 12,400.16
  4. Step 4: Simplify right side
    19,463.36x = 333,006,792.81
  5. Step 5: Solve for x
    x = 333,006,792.81/19,463.36
  6. Step 6: Final answer
    x = 17,109.42

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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.