Home / 35,807.74-53,711.59-12,434.19

Finding the Fourth Proportional to 35,807.74, 53,711.59 and 12,434.19

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Solution

The fourth proportional to 35,807.74, 53,711.59 and 12,434.19 is: 18,651.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,807.74 : 53,711.59 = 12,434.19 : x
  2. Step 2: Convert to fraction form
    35,807.74/53,711.59 = 12,434.19/x
  3. Step 3: Cross multiply
    35,807.74x = 53,711.59 × 12,434.19
  4. Step 4: Simplify right side
    35,807.74x = 667,860,115.26
  5. Step 5: Solve for x
    x = 667,860,115.26/35,807.74
  6. Step 6: Final answer
    x = 18,651.28

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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.