Home / 27,953.43-38,556.30-19,335.84

Finding the Fourth Proportional to 27,953.43, 38,556.30 and 19,335.84

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Solution

The fourth proportional to 27,953.43, 38,556.30 and 19,335.84 is: 26,670.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,953.43 : 38,556.30 = 19,335.84 : x
  2. Step 2: Convert to fraction form
    27,953.43/38,556.30 = 19,335.84/x
  3. Step 3: Cross multiply
    27,953.43x = 38,556.30 × 19,335.84
  4. Step 4: Simplify right side
    27,953.43x = 745,518,484.15
  5. Step 5: Solve for x
    x = 745,518,484.15/27,953.43
  6. Step 6: Final answer
    x = 26,670.02

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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.