Home / 26,644.08-39,955.72-9,995

Finding the Fourth Proportional to 26,644.08, 39,955.72 and 9,995

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Solution

The fourth proportional to 26,644.08, 39,955.72 and 9,995 is: 14,988.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,644.08 : 39,955.72 = 9,995 : x
  2. Step 2: Convert to fraction form
    26,644.08/39,955.72 = 9,995/x
  3. Step 3: Cross multiply
    26,644.08x = 39,955.72 × 9,995
  4. Step 4: Simplify right side
    26,644.08x = 399,357,421.40
  5. Step 5: Solve for x
    x = 399,357,421.40/26,644.08
  6. Step 6: Final answer
    x = 14,988.60

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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.