Home / 14,472.36-19,971.90-8,184.60

Finding the Fourth Proportional to 14,472.36, 19,971.90 and 8,184.60

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Solution

The fourth proportional to 14,472.36, 19,971.90 and 8,184.60 is: 11,294.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,472.36 : 19,971.90 = 8,184.60 : x
  2. Step 2: Convert to fraction form
    14,472.36/19,971.90 = 8,184.60/x
  3. Step 3: Cross multiply
    14,472.36x = 19,971.90 × 8,184.60
  4. Step 4: Simplify right side
    14,472.36x = 163,462,012.74
  5. Step 5: Solve for x
    x = 163,462,012.74/14,472.36
  6. Step 6: Final answer
    x = 11,294.77

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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.