Home / 15,581.49-23,345.65-8,567.38

Finding the Fourth Proportional to 15,581.49, 23,345.65 and 8,567.38

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Solution

The fourth proportional to 15,581.49, 23,345.65 and 8,567.38 is: 12,836.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,581.49 : 23,345.65 = 8,567.38 : x
  2. Step 2: Convert to fraction form
    15,581.49/23,345.65 = 8,567.38/x
  3. Step 3: Cross multiply
    15,581.49x = 23,345.65 × 8,567.38
  4. Step 4: Simplify right side
    15,581.49x = 200,011,094.79
  5. Step 5: Solve for x
    x = 200,011,094.79/15,581.49
  6. Step 6: Final answer
    x = 12,836.45

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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.