Home / 22,493.08-31,041.60-12,421.52

Finding the Fourth Proportional to 22,493.08, 31,041.60 and 12,421.52

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Solution

The fourth proportional to 22,493.08, 31,041.60 and 12,421.52 is: 17,142.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,493.08 : 31,041.60 = 12,421.52 : x
  2. Step 2: Convert to fraction form
    22,493.08/31,041.60 = 12,421.52/x
  3. Step 3: Cross multiply
    22,493.08x = 31,041.60 × 12,421.52
  4. Step 4: Simplify right side
    22,493.08x = 385,583,855.23
  5. Step 5: Solve for x
    x = 385,583,855.23/22,493.08
  6. Step 6: Final answer
    x = 17,142.33

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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.