Home / 22,374.16-30,878.76-13,993.36

Finding the Fourth Proportional to 22,374.16, 30,878.76 and 13,993.36

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Solution

The fourth proportional to 22,374.16, 30,878.76 and 13,993.36 is: 19,312.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,374.16 : 30,878.76 = 13,993.36 : x
  2. Step 2: Convert to fraction form
    22,374.16/30,878.76 = 13,993.36/x
  3. Step 3: Cross multiply
    22,374.16x = 30,878.76 × 13,993.36
  4. Step 4: Simplify right side
    22,374.16x = 432,097,605.03
  5. Step 5: Solve for x
    x = 432,097,605.03/22,374.16
  6. Step 6: Final answer
    x = 19,312.35

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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.