Home / 13,823.10-19,111.41-12,051.90

Finding the Fourth Proportional to 13,823.10, 19,111.41 and 12,051.90

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Solution

The fourth proportional to 13,823.10, 19,111.41 and 12,051.90 is: 16,662.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,823.10 : 19,111.41 = 12,051.90 : x
  2. Step 2: Convert to fraction form
    13,823.10/19,111.41 = 12,051.90/x
  3. Step 3: Cross multiply
    13,823.10x = 19,111.41 × 12,051.90
  4. Step 4: Simplify right side
    13,823.10x = 230,328,802.18
  5. Step 5: Solve for x
    x = 230,328,802.18/13,823.10
  6. Step 6: Final answer
    x = 16,662.60

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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.