Home / 19,317.88-26,657.40-10,818.52

Finding the Fourth Proportional to 19,317.88, 26,657.40 and 10,818.52

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Solution

The fourth proportional to 19,317.88, 26,657.40 and 10,818.52 is: 14,928.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,317.88 : 26,657.40 = 10,818.52 : x
  2. Step 2: Convert to fraction form
    19,317.88/26,657.40 = 10,818.52/x
  3. Step 3: Cross multiply
    19,317.88x = 26,657.40 × 10,818.52
  4. Step 4: Simplify right side
    19,317.88x = 288,393,615.05
  5. Step 5: Solve for x
    x = 288,393,615.05/19,317.88
  6. Step 6: Final answer
    x = 14,928.84

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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.