Home / 14,901.05-20,560.59-10,124.78

Finding the Fourth Proportional to 14,901.05, 20,560.59 and 10,124.78

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Solution

The fourth proportional to 14,901.05, 20,560.59 and 10,124.78 is: 13,970.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,901.05 : 20,560.59 = 10,124.78 : x
  2. Step 2: Convert to fraction form
    14,901.05/20,560.59 = 10,124.78/x
  3. Step 3: Cross multiply
    14,901.05x = 20,560.59 × 10,124.78
  4. Step 4: Simplify right side
    14,901.05x = 208,171,450.42
  5. Step 5: Solve for x
    x = 208,171,450.42/14,901.05
  6. Step 6: Final answer
    x = 13,970.25

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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.