Home / 19,113.80-26,374.66-10,615.88

Finding the Fourth Proportional to 19,113.80, 26,374.66 and 10,615.88

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Solution

The fourth proportional to 19,113.80, 26,374.66 and 10,615.88 is: 14,648.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,113.80 : 26,374.66 = 10,615.88 : x
  2. Step 2: Convert to fraction form
    19,113.80/26,374.66 = 10,615.88/x
  3. Step 3: Cross multiply
    19,113.80x = 26,374.66 × 10,615.88
  4. Step 4: Simplify right side
    19,113.80x = 279,990,225.60
  5. Step 5: Solve for x
    x = 279,990,225.60/19,113.80
  6. Step 6: Final answer
    x = 14,648.59

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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.