Home / 19,036.92-26,253.80-12,315.54

Finding the Fourth Proportional to 19,036.92, 26,253.80 and 12,315.54

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Solution

The fourth proportional to 19,036.92, 26,253.80 and 12,315.54 is: 16,984.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,036.92 : 26,253.80 = 12,315.54 : x
  2. Step 2: Convert to fraction form
    19,036.92/26,253.80 = 12,315.54/x
  3. Step 3: Cross multiply
    19,036.92x = 26,253.80 × 12,315.54
  4. Step 4: Simplify right side
    19,036.92x = 323,329,772.47
  5. Step 5: Solve for x
    x = 323,329,772.47/19,036.92
  6. Step 6: Final answer
    x = 16,984.35

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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.