Home / 14,459.29-19,953.98-8,491.03

Finding the Fourth Proportional to 14,459.29, 19,953.98 and 8,491.03

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Solution

The fourth proportional to 14,459.29, 19,953.98 and 8,491.03 is: 11,717.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,459.29 : 19,953.98 = 8,491.03 : x
  2. Step 2: Convert to fraction form
    14,459.29/19,953.98 = 8,491.03/x
  3. Step 3: Cross multiply
    14,459.29x = 19,953.98 × 8,491.03
  4. Step 4: Simplify right side
    14,459.29x = 169,429,842.80
  5. Step 5: Solve for x
    x = 169,429,842.80/14,459.29
  6. Step 6: Final answer
    x = 11,717.72

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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.