Home / 35,013.72-52,520.64-10,389.72

Finding the Fourth Proportional to 35,013.72, 52,520.64 and 10,389.72

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Solution

The fourth proportional to 35,013.72, 52,520.64 and 10,389.72 is: 15,584.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,013.72 : 52,520.64 = 10,389.72 : x
  2. Step 2: Convert to fraction form
    35,013.72/52,520.64 = 10,389.72/x
  3. Step 3: Cross multiply
    35,013.72x = 52,520.64 × 10,389.72
  4. Step 4: Simplify right side
    35,013.72x = 545,674,743.82
  5. Step 5: Solve for x
    x = 545,674,743.82/35,013.72
  6. Step 6: Final answer
    x = 15,584.60

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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.