Home / 25,126.48-37,688.78-10,140.08

Finding the Fourth Proportional to 25,126.48, 37,688.78 and 10,140.08

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Solution

The fourth proportional to 25,126.48, 37,688.78 and 10,140.08 is: 15,209.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,126.48 : 37,688.78 = 10,140.08 : x
  2. Step 2: Convert to fraction form
    25,126.48/37,688.78 = 10,140.08/x
  3. Step 3: Cross multiply
    25,126.48x = 37,688.78 × 10,140.08
  4. Step 4: Simplify right side
    25,126.48x = 382,167,244.30
  5. Step 5: Solve for x
    x = 382,167,244.30/25,126.48
  6. Step 6: Final answer
    x = 15,209.74

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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.