Home / 15,678.29-23,523.55-6,907.05

Finding the Fourth Proportional to 15,678.29, 23,523.55 and 6,907.05

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Solution

The fourth proportional to 15,678.29, 23,523.55 and 6,907.05 is: 10,363.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,678.29 : 23,523.55 = 6,907.05 : x
  2. Step 2: Convert to fraction form
    15,678.29/23,523.55 = 6,907.05/x
  3. Step 3: Cross multiply
    15,678.29x = 23,523.55 × 6,907.05
  4. Step 4: Simplify right side
    15,678.29x = 162,478,318.76
  5. Step 5: Solve for x
    x = 162,478,318.76/15,678.29
  6. Step 6: Final answer
    x = 10,363.27

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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.