Home / 25,795.13-35,603.15-15,188.18

Finding the Fourth Proportional to 25,795.13, 35,603.15 and 15,188.18

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Solution

The fourth proportional to 25,795.13, 35,603.15 and 15,188.18 is: 20,963.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,795.13 : 35,603.15 = 15,188.18 : x
  2. Step 2: Convert to fraction form
    25,795.13/35,603.15 = 15,188.18/x
  3. Step 3: Cross multiply
    25,795.13x = 35,603.15 × 15,188.18
  4. Step 4: Simplify right side
    25,795.13x = 540,746,796.81
  5. Step 5: Solve for x
    x = 540,746,796.81/25,795.13
  6. Step 6: Final answer
    x = 20,963.14

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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.