Home / 12,029.84-18,048.40-8,526.62

Finding the Fourth Proportional to 12,029.84, 18,048.40 and 8,526.62

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Solution

The fourth proportional to 12,029.84, 18,048.40 and 8,526.62 is: 12,792.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,029.84 : 18,048.40 = 8,526.62 : x
  2. Step 2: Convert to fraction form
    12,029.84/18,048.40 = 8,526.62/x
  3. Step 3: Cross multiply
    12,029.84x = 18,048.40 × 8,526.62
  4. Step 4: Simplify right side
    12,029.84x = 153,891,848.41
  5. Step 5: Solve for x
    x = 153,891,848.41/12,029.84
  6. Step 6: Final answer
    x = 12,792.51

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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.