Home / 13,875.15-19,124.39-10,516.89

Finding the Fourth Proportional to 13,875.15, 19,124.39 and 10,516.89

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Solution

The fourth proportional to 13,875.15, 19,124.39 and 10,516.89 is: 14,495.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,875.15 : 19,124.39 = 10,516.89 : x
  2. Step 2: Convert to fraction form
    13,875.15/19,124.39 = 10,516.89/x
  3. Step 3: Cross multiply
    13,875.15x = 19,124.39 × 10,516.89
  4. Step 4: Simplify right side
    13,875.15x = 201,129,053.36
  5. Step 5: Solve for x
    x = 201,129,053.36/13,875.15
  6. Step 6: Final answer
    x = 14,495.63

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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.