Home / 19,358.86-26,713.61-10,859.80

Finding the Fourth Proportional to 19,358.86, 26,713.61 and 10,859.80

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Solution

The fourth proportional to 19,358.86, 26,713.61 and 10,859.80 is: 14,985.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,358.86 : 26,713.61 = 10,859.80 : x
  2. Step 2: Convert to fraction form
    19,358.86/26,713.61 = 10,859.80/x
  3. Step 3: Cross multiply
    19,358.86x = 26,713.61 × 10,859.80
  4. Step 4: Simplify right side
    19,358.86x = 290,104,461.88
  5. Step 5: Solve for x
    x = 290,104,461.88/19,358.86
  6. Step 6: Final answer
    x = 14,985.62

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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.