Home / 15,628.49-23,426.53-9,771.65

Finding the Fourth Proportional to 15,628.49, 23,426.53 and 9,771.65

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Solution

The fourth proportional to 15,628.49, 23,426.53 and 9,771.65 is: 14,647.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,628.49 : 23,426.53 = 9,771.65 : x
  2. Step 2: Convert to fraction form
    15,628.49/23,426.53 = 9,771.65/x
  3. Step 3: Cross multiply
    15,628.49x = 23,426.53 × 9,771.65
  4. Step 4: Simplify right side
    15,628.49x = 228,915,710.31
  5. Step 5: Solve for x
    x = 228,915,710.31/15,628.49
  6. Step 6: Final answer
    x = 14,647.34

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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.