Home / 25,368.36-35,017.64-15,297.16

Finding the Fourth Proportional to 25,368.36, 35,017.64 and 15,297.16

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Solution

The fourth proportional to 25,368.36, 35,017.64 and 15,297.16 is: 21,115.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,368.36 : 35,017.64 = 15,297.16 : x
  2. Step 2: Convert to fraction form
    25,368.36/35,017.64 = 15,297.16/x
  3. Step 3: Cross multiply
    25,368.36x = 35,017.64 × 15,297.16
  4. Step 4: Simplify right side
    25,368.36x = 535,670,441.90
  5. Step 5: Solve for x
    x = 535,670,441.90/25,368.36
  6. Step 6: Final answer
    x = 21,115.69

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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.