Home / 19,894.04-29,838.74-5,103.06

Finding the Fourth Proportional to 19,894.04, 29,838.74 and 5,103.06

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Solution

The fourth proportional to 19,894.04, 29,838.74 and 5,103.06 is: 7,653.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,894.04 : 29,838.74 = 5,103.06 : x
  2. Step 2: Convert to fraction form
    19,894.04/29,838.74 = 5,103.06/x
  3. Step 3: Cross multiply
    19,894.04x = 29,838.74 × 5,103.06
  4. Step 4: Simplify right side
    19,894.04x = 152,268,880.54
  5. Step 5: Solve for x
    x = 152,268,880.54/19,894.04
  6. Step 6: Final answer
    x = 7,653.99

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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.