Home / 19,806.02-27,331.58-10,853.63

Finding the Fourth Proportional to 19,806.02, 27,331.58 and 10,853.63

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Solution

The fourth proportional to 19,806.02, 27,331.58 and 10,853.63 is: 14,977.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,806.02 : 27,331.58 = 10,853.63 : x
  2. Step 2: Convert to fraction form
    19,806.02/27,331.58 = 10,853.63/x
  3. Step 3: Cross multiply
    19,806.02x = 27,331.58 × 10,853.63
  4. Step 4: Simplify right side
    19,806.02x = 296,646,665.71
  5. Step 5: Solve for x
    x = 296,646,665.71/19,806.02
  6. Step 6: Final answer
    x = 14,977.60

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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.