Home / 14,316.71-19,756.60-8,348.63

Finding the Fourth Proportional to 14,316.71, 19,756.60 and 8,348.63

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Solution

The fourth proportional to 14,316.71, 19,756.60 and 8,348.63 is: 11,520.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,316.71 : 19,756.60 = 8,348.63 : x
  2. Step 2: Convert to fraction form
    14,316.71/19,756.60 = 8,348.63/x
  3. Step 3: Cross multiply
    14,316.71x = 19,756.60 × 8,348.63
  4. Step 4: Simplify right side
    14,316.71x = 164,940,543.46
  5. Step 5: Solve for x
    x = 164,940,543.46/14,316.71
  6. Step 6: Final answer
    x = 11,520.84

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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.