Home / 19,316.26-26,654.23-10,817.20

Finding the Fourth Proportional to 19,316.26, 26,654.23 and 10,817.20

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Solution

The fourth proportional to 19,316.26, 26,654.23 and 10,817.20 is: 14,926.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,316.26 : 26,654.23 = 10,817.20 : x
  2. Step 2: Convert to fraction form
    19,316.26/26,654.23 = 10,817.20/x
  3. Step 3: Cross multiply
    19,316.26x = 26,654.23 × 10,817.20
  4. Step 4: Simplify right side
    19,316.26x = 288,323,949.40
  5. Step 5: Solve for x
    x = 288,323,949.40/19,316.26
  6. Step 6: Final answer
    x = 14,926.49

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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.