Home / 25,123.51-34,670.85-13,794.05

Finding the Fourth Proportional to 25,123.51, 34,670.85 and 13,794.05

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Solution

The fourth proportional to 25,123.51, 34,670.85 and 13,794.05 is: 19,036.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,123.51 : 34,670.85 = 13,794.05 : x
  2. Step 2: Convert to fraction form
    25,123.51/34,670.85 = 13,794.05/x
  3. Step 3: Cross multiply
    25,123.51x = 34,670.85 × 13,794.05
  4. Step 4: Simplify right side
    25,123.51x = 478,251,438.44
  5. Step 5: Solve for x
    x = 478,251,438.44/25,123.51
  6. Step 6: Final answer
    x = 19,036.01

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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.