Home / 19,156.68-28,752.40-9,803.16

Finding the Fourth Proportional to 19,156.68, 28,752.40 and 9,803.16

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Solution

The fourth proportional to 19,156.68, 28,752.40 and 9,803.16 is: 14,713.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,156.68 : 28,752.40 = 9,803.16 : x
  2. Step 2: Convert to fraction form
    19,156.68/28,752.40 = 9,803.16/x
  3. Step 3: Cross multiply
    19,156.68x = 28,752.40 × 9,803.16
  4. Step 4: Simplify right side
    19,156.68x = 281,864,389.84
  5. Step 5: Solve for x
    x = 281,864,389.84/19,156.68
  6. Step 6: Final answer
    x = 14,713.63

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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.