Home / 13,828.84-19,083.63-7,541.08

Finding the Fourth Proportional to 13,828.84, 19,083.63 and 7,541.08

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Solution

The fourth proportional to 13,828.84, 19,083.63 and 7,541.08 is: 10,406.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,828.84 : 19,083.63 = 7,541.08 : x
  2. Step 2: Convert to fraction form
    13,828.84/19,083.63 = 7,541.08/x
  3. Step 3: Cross multiply
    13,828.84x = 19,083.63 × 7,541.08
  4. Step 4: Simplify right side
    13,828.84x = 143,911,180.52
  5. Step 5: Solve for x
    x = 143,911,180.52/13,828.84
  6. Step 6: Final answer
    x = 10,406.60

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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.