Home / 19,283.81-26,607.33-12,206.12

Finding the Fourth Proportional to 19,283.81, 26,607.33 and 12,206.12

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Solution

The fourth proportional to 19,283.81, 26,607.33 and 12,206.12 is: 16,841.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,283.81 : 26,607.33 = 12,206.12 : x
  2. Step 2: Convert to fraction form
    19,283.81/26,607.33 = 12,206.12/x
  3. Step 3: Cross multiply
    19,283.81x = 26,607.33 × 12,206.12
  4. Step 4: Simplify right side
    19,283.81x = 324,772,129.82
  5. Step 5: Solve for x
    x = 324,772,129.82/19,283.81
  6. Step 6: Final answer
    x = 16,841.70

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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.