Home / 19,803.58-27,328.86-10,851.07

Finding the Fourth Proportional to 19,803.58, 27,328.86 and 10,851.07

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Solution

The fourth proportional to 19,803.58, 27,328.86 and 10,851.07 is: 14,974.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,803.58 : 27,328.86 = 10,851.07 : x
  2. Step 2: Convert to fraction form
    19,803.58/27,328.86 = 10,851.07/x
  3. Step 3: Cross multiply
    19,803.58x = 27,328.86 × 10,851.07
  4. Step 4: Simplify right side
    19,803.58x = 296,547,372.88
  5. Step 5: Solve for x
    x = 296,547,372.88/19,803.58
  6. Step 6: Final answer
    x = 14,974.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.