Home / 19,926.61-27,511.95-12,384.19

Finding the Fourth Proportional to 19,926.61, 27,511.95 and 12,384.19

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Solution

The fourth proportional to 19,926.61, 27,511.95 and 12,384.19 is: 17,098.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,926.61 : 27,511.95 = 12,384.19 : x
  2. Step 2: Convert to fraction form
    19,926.61/27,511.95 = 12,384.19/x
  3. Step 3: Cross multiply
    19,926.61x = 27,511.95 × 12,384.19
  4. Step 4: Simplify right side
    19,926.61x = 340,713,216.07
  5. Step 5: Solve for x
    x = 340,713,216.07/19,926.61
  6. Step 6: Final answer
    x = 17,098.41

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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.