Home / 16,743.55-23,106.28-9,189.67

Finding the Fourth Proportional to 16,743.55, 23,106.28 and 9,189.67

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Solution

The fourth proportional to 16,743.55, 23,106.28 and 9,189.67 is: 12,681.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,743.55 : 23,106.28 = 9,189.67 : x
  2. Step 2: Convert to fraction form
    16,743.55/23,106.28 = 9,189.67/x
  3. Step 3: Cross multiply
    16,743.55x = 23,106.28 × 9,189.67
  4. Step 4: Simplify right side
    16,743.55x = 212,339,088.13
  5. Step 5: Solve for x
    x = 212,339,088.13/16,743.55
  6. Step 6: Final answer
    x = 12,681.84

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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.