Home / 28,598.75-42,904.61-10,130.75

Finding the Fourth Proportional to 28,598.75, 42,904.61 and 10,130.75

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Solution

The fourth proportional to 28,598.75, 42,904.61 and 10,130.75 is: 15,198.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,598.75 : 42,904.61 = 10,130.75 : x
  2. Step 2: Convert to fraction form
    28,598.75/42,904.61 = 10,130.75/x
  3. Step 3: Cross multiply
    28,598.75x = 42,904.61 × 10,130.75
  4. Step 4: Simplify right side
    28,598.75x = 434,655,877.76
  5. Step 5: Solve for x
    x = 434,655,877.76/28,598.75
  6. Step 6: Final answer
    x = 15,198.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.