Home / 25,115.10-37,672.65-10,316.40

Finding the Fourth Proportional to 25,115.10, 37,672.65 and 10,316.40

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Solution

The fourth proportional to 25,115.10, 37,672.65 and 10,316.40 is: 15,474.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,115.10 : 37,672.65 = 10,316.40 : x
  2. Step 2: Convert to fraction form
    25,115.10/37,672.65 = 10,316.40/x
  3. Step 3: Cross multiply
    25,115.10x = 37,672.65 × 10,316.40
  4. Step 4: Simplify right side
    25,115.10x = 388,646,126.46
  5. Step 5: Solve for x
    x = 388,646,126.46/25,115.10
  6. Step 6: Final answer
    x = 15,474.60

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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.