Home / 25,109.95-34,594.70-19,425.12

Finding the Fourth Proportional to 25,109.95, 34,594.70 and 19,425.12

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Solution

The fourth proportional to 25,109.95, 34,594.70 and 19,425.12 is: 26,762.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,109.95 : 34,594.70 = 19,425.12 : x
  2. Step 2: Convert to fraction form
    25,109.95/34,594.70 = 19,425.12/x
  3. Step 3: Cross multiply
    25,109.95x = 34,594.70 × 19,425.12
  4. Step 4: Simplify right side
    25,109.95x = 672,005,972.01
  5. Step 5: Solve for x
    x = 672,005,972.01/25,109.95
  6. Step 6: Final answer
    x = 26,762.54

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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.