Home / 19,661.84-27,159.30-14,567.70

Finding the Fourth Proportional to 19,661.84, 27,159.30 and 14,567.70

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Solution

The fourth proportional to 19,661.84, 27,159.30 and 14,567.70 is: 20,122.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,661.84 : 27,159.30 = 14,567.70 : x
  2. Step 2: Convert to fraction form
    19,661.84/27,159.30 = 14,567.70/x
  3. Step 3: Cross multiply
    19,661.84x = 27,159.30 × 14,567.70
  4. Step 4: Simplify right side
    19,661.84x = 395,648,534.61
  5. Step 5: Solve for x
    x = 395,648,534.61/19,661.84
  6. Step 6: Final answer
    x = 20,122.66

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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.