Home / 26,326.48-39,488.72-6,605.20

Finding the Fourth Proportional to 26,326.48, 39,488.72 and 6,605.20

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Solution

The fourth proportional to 26,326.48, 39,488.72 and 6,605.20 is: 9,907.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,326.48 : 39,488.72 = 6,605.20 : x
  2. Step 2: Convert to fraction form
    26,326.48/39,488.72 = 6,605.20/x
  3. Step 3: Cross multiply
    26,326.48x = 39,488.72 × 6,605.20
  4. Step 4: Simplify right side
    26,326.48x = 260,830,893.34
  5. Step 5: Solve for x
    x = 260,830,893.34/26,326.48
  6. Step 6: Final answer
    x = 9,907.55

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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.