Home / 15,048.47-20,756.57-10,324.55

Finding the Fourth Proportional to 15,048.47, 20,756.57 and 10,324.55

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Solution

The fourth proportional to 15,048.47, 20,756.57 and 10,324.55 is: 14,240.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,048.47 : 20,756.57 = 10,324.55 : x
  2. Step 2: Convert to fraction form
    15,048.47/20,756.57 = 10,324.55/x
  3. Step 3: Cross multiply
    15,048.47x = 20,756.57 × 10,324.55
  4. Step 4: Simplify right side
    15,048.47x = 214,302,218.71
  5. Step 5: Solve for x
    x = 214,302,218.71/15,048.47
  6. Step 6: Final answer
    x = 14,240.80

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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.