Home / 19,317.44-26,655.86-10,818.38

Finding the Fourth Proportional to 19,317.44, 26,655.86 and 10,818.38

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Solution

The fourth proportional to 19,317.44, 26,655.86 and 10,818.38 is: 14,928.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,317.44 : 26,655.86 = 10,818.38 : x
  2. Step 2: Convert to fraction form
    19,317.44/26,655.86 = 10,818.38/x
  3. Step 3: Cross multiply
    19,317.44x = 26,655.86 × 10,818.38
  4. Step 4: Simplify right side
    19,317.44x = 288,373,316.39
  5. Step 5: Solve for x
    x = 288,373,316.39/19,317.44
  6. Step 6: Final answer
    x = 14,928.13

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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.