Home / 19,875.98-27,428.02-10,922.95

Finding the Fourth Proportional to 19,875.98, 27,428.02 and 10,922.95

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Solution

The fourth proportional to 19,875.98, 27,428.02 and 10,922.95 is: 15,073.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,875.98 : 27,428.02 = 10,922.95 : x
  2. Step 2: Convert to fraction form
    19,875.98/27,428.02 = 10,922.95/x
  3. Step 3: Cross multiply
    19,875.98x = 27,428.02 × 10,922.95
  4. Step 4: Simplify right side
    19,875.98x = 299,594,898.04
  5. Step 5: Solve for x
    x = 299,594,898.04/19,875.98
  6. Step 6: Final answer
    x = 15,073.21

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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.