Home / 18,130.50-25,020.93-10,575.63

Finding the Fourth Proportional to 18,130.50, 25,020.93 and 10,575.63

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Solution

The fourth proportional to 18,130.50, 25,020.93 and 10,575.63 is: 14,594.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,130.50 : 25,020.93 = 10,575.63 : x
  2. Step 2: Convert to fraction form
    18,130.50/25,020.93 = 10,575.63/x
  3. Step 3: Cross multiply
    18,130.50x = 25,020.93 × 10,575.63
  4. Step 4: Simplify right side
    18,130.50x = 264,612,097.94
  5. Step 5: Solve for x
    x = 264,612,097.94/18,130.50
  6. Step 6: Final answer
    x = 14,594.86

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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.