Home / 19,141.98-26,428.95-14,106.78

Finding the Fourth Proportional to 19,141.98, 26,428.95 and 14,106.78

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Solution

The fourth proportional to 19,141.98, 26,428.95 and 14,106.78 is: 19,476.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,141.98 : 26,428.95 = 14,106.78 : x
  2. Step 2: Convert to fraction form
    19,141.98/26,428.95 = 14,106.78/x
  3. Step 3: Cross multiply
    19,141.98x = 26,428.95 × 14,106.78
  4. Step 4: Simplify right side
    19,141.98x = 372,827,383.28
  5. Step 5: Solve for x
    x = 372,827,383.28/19,141.98
  6. Step 6: Final answer
    x = 19,476.95

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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.