Home / 19,815.17-27,347.73-12,263.93

Finding the Fourth Proportional to 19,815.17, 27,347.73 and 12,263.93

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Solution

The fourth proportional to 19,815.17, 27,347.73 and 12,263.93 is: 16,925.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,815.17 : 27,347.73 = 12,263.93 : x
  2. Step 2: Convert to fraction form
    19,815.17/27,347.73 = 12,263.93/x
  3. Step 3: Cross multiply
    19,815.17x = 27,347.73 × 12,263.93
  4. Step 4: Simplify right side
    19,815.17x = 335,390,646.38
  5. Step 5: Solve for x
    x = 335,390,646.38/19,815.17
  6. Step 6: Final answer
    x = 16,925.95

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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.