Home / 13,858.36-19,124.53-7,484.95

Finding the Fourth Proportional to 13,858.36, 19,124.53 and 7,484.95

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Solution

The fourth proportional to 13,858.36, 19,124.53 and 7,484.95 is: 10,329.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,858.36 : 19,124.53 = 7,484.95 : x
  2. Step 2: Convert to fraction form
    13,858.36/19,124.53 = 7,484.95/x
  3. Step 3: Cross multiply
    13,858.36x = 19,124.53 × 7,484.95
  4. Step 4: Simplify right side
    13,858.36x = 143,146,184.09
  5. Step 5: Solve for x
    x = 143,146,184.09/13,858.36
  6. Step 6: Final answer
    x = 10,329.23

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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.