Home / 25,693.95-35,463.36-15,620.25

Finding the Fourth Proportional to 25,693.95, 35,463.36 and 15,620.25

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Solution

The fourth proportional to 25,693.95, 35,463.36 and 15,620.25 is: 21,559.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,693.95 : 35,463.36 = 15,620.25 : x
  2. Step 2: Convert to fraction form
    25,693.95/35,463.36 = 15,620.25/x
  3. Step 3: Cross multiply
    25,693.95x = 35,463.36 × 15,620.25
  4. Step 4: Simplify right side
    25,693.95x = 553,946,549.04
  5. Step 5: Solve for x
    x = 553,946,549.04/25,693.95
  6. Step 6: Final answer
    x = 21,559.42

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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.