Home / 15,655.05-23,483.27-5,125.68

Finding the Fourth Proportional to 15,655.05, 23,483.27 and 5,125.68

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Solution

The fourth proportional to 15,655.05, 23,483.27 and 5,125.68 is: 7,688.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,655.05 : 23,483.27 = 5,125.68 : x
  2. Step 2: Convert to fraction form
    15,655.05/23,483.27 = 5,125.68/x
  3. Step 3: Cross multiply
    15,655.05x = 23,483.27 × 5,125.68
  4. Step 4: Simplify right side
    15,655.05x = 120,367,727.37
  5. Step 5: Solve for x
    x = 120,367,727.37/15,655.05
  6. Step 6: Final answer
    x = 7,688.75

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.