Home / 15,741.21-23,638.14-9,831.85

Finding the Fourth Proportional to 15,741.21, 23,638.14 and 9,831.85

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Solution

The fourth proportional to 15,741.21, 23,638.14 and 9,831.85 is: 14,764.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,741.21 : 23,638.14 = 9,831.85 : x
  2. Step 2: Convert to fraction form
    15,741.21/23,638.14 = 9,831.85/x
  3. Step 3: Cross multiply
    15,741.21x = 23,638.14 × 9,831.85
  4. Step 4: Simplify right side
    15,741.21x = 232,406,646.76
  5. Step 5: Solve for x
    x = 232,406,646.76/15,741.21
  6. Step 6: Final answer
    x = 14,764.22

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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.