Home / 19,905.84-27,454.50-12,347.93

Finding the Fourth Proportional to 19,905.84, 27,454.50 and 12,347.93

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Solution

The fourth proportional to 19,905.84, 27,454.50 and 12,347.93 is: 17,030.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,905.84 : 27,454.50 = 12,347.93 : x
  2. Step 2: Convert to fraction form
    19,905.84/27,454.50 = 12,347.93/x
  3. Step 3: Cross multiply
    19,905.84x = 27,454.50 × 12,347.93
  4. Step 4: Simplify right side
    19,905.84x = 339,006,244.19
  5. Step 5: Solve for x
    x = 339,006,244.19/19,905.84
  6. Step 6: Final answer
    x = 17,030.49

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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.