Home / 14,339.16-19,788.30-8,051.76

Finding the Fourth Proportional to 14,339.16, 19,788.30 and 8,051.76

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Solution

The fourth proportional to 14,339.16, 19,788.30 and 8,051.76 is: 11,111.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,339.16 : 19,788.30 = 8,051.76 : x
  2. Step 2: Convert to fraction form
    14,339.16/19,788.30 = 8,051.76/x
  3. Step 3: Cross multiply
    14,339.16x = 19,788.30 × 8,051.76
  4. Step 4: Simplify right side
    14,339.16x = 159,330,642.41
  5. Step 5: Solve for x
    x = 159,330,642.41/14,339.16
  6. Step 6: Final answer
    x = 11,111.57

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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.