Home / 14,406.15-19,880.70-8,032.56

Finding the Fourth Proportional to 14,406.15, 19,880.70 and 8,032.56

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Solution

The fourth proportional to 14,406.15, 19,880.70 and 8,032.56 is: 11,085.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,406.15 : 19,880.70 = 8,032.56 : x
  2. Step 2: Convert to fraction form
    14,406.15/19,880.70 = 8,032.56/x
  3. Step 3: Cross multiply
    14,406.15x = 19,880.70 × 8,032.56
  4. Step 4: Simplify right side
    14,406.15x = 159,692,915.59
  5. Step 5: Solve for x
    x = 159,692,915.59/14,406.15
  6. Step 6: Final answer
    x = 11,085.05

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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.