Home / 13,925.36-20,888.04-6,995

Finding the Fourth Proportional to 13,925.36, 20,888.04 and 6,995

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Solution

The fourth proportional to 13,925.36, 20,888.04 and 6,995 is: 10,492.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,925.36 : 20,888.04 = 6,995 : x
  2. Step 2: Convert to fraction form
    13,925.36/20,888.04 = 6,995/x
  3. Step 3: Cross multiply
    13,925.36x = 20,888.04 × 6,995
  4. Step 4: Simplify right side
    13,925.36x = 146,111,839.80
  5. Step 5: Solve for x
    x = 146,111,839.80/13,925.36
  6. Step 6: Final answer
    x = 10,492.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.