Home / 12,851.51-19,277.21-4,529.51

Finding the Fourth Proportional to 12,851.51, 19,277.21 and 4,529.51

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Solution

The fourth proportional to 12,851.51, 19,277.21 and 4,529.51 is: 6,794.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,851.51 : 19,277.21 = 4,529.51 : x
  2. Step 2: Convert to fraction form
    12,851.51/19,277.21 = 4,529.51/x
  3. Step 3: Cross multiply
    12,851.51x = 19,277.21 × 4,529.51
  4. Step 4: Simplify right side
    12,851.51x = 87,316,411.13
  5. Step 5: Solve for x
    x = 87,316,411.13/12,851.51
  6. Step 6: Final answer
    x = 6,794.26

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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.