Home / 19,779.21-27,294.26-10,824.98

Finding the Fourth Proportional to 19,779.21, 27,294.26 and 10,824.98

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Solution

The fourth proportional to 19,779.21, 27,294.26 and 10,824.98 is: 14,937.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,779.21 : 27,294.26 = 10,824.98 : x
  2. Step 2: Convert to fraction form
    19,779.21/27,294.26 = 10,824.98/x
  3. Step 3: Cross multiply
    19,779.21x = 27,294.26 × 10,824.98
  4. Step 4: Simplify right side
    19,779.21x = 295,459,818.61
  5. Step 5: Solve for x
    x = 295,459,818.61/19,779.21
  6. Step 6: Final answer
    x = 14,937.90

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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.