Home / 22,548.08-31,106.40-13,590.29

Finding the Fourth Proportional to 22,548.08, 31,106.40 and 13,590.29

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Solution

The fourth proportional to 22,548.08, 31,106.40 and 13,590.29 is: 18,748.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,548.08 : 31,106.40 = 13,590.29 : x
  2. Step 2: Convert to fraction form
    22,548.08/31,106.40 = 13,590.29/x
  3. Step 3: Cross multiply
    22,548.08x = 31,106.40 × 13,590.29
  4. Step 4: Simplify right side
    22,548.08x = 422,744,841.32
  5. Step 5: Solve for x
    x = 422,744,841.32/22,548.08
  6. Step 6: Final answer
    x = 18,748.60

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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.