Home / 14,130.84-19,500.32-7,843.08

Finding the Fourth Proportional to 14,130.84, 19,500.32 and 7,843.08

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Solution

The fourth proportional to 14,130.84, 19,500.32 and 7,843.08 is: 10,823.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,130.84 : 19,500.32 = 7,843.08 : x
  2. Step 2: Convert to fraction form
    14,130.84/19,500.32 = 7,843.08/x
  3. Step 3: Cross multiply
    14,130.84x = 19,500.32 × 7,843.08
  4. Step 4: Simplify right side
    14,130.84x = 152,942,569.79
  5. Step 5: Solve for x
    x = 152,942,569.79/14,130.84
  6. Step 6: Final answer
    x = 10,823.32

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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.