Home / 19,111.17-28,637.53-8,011.81

Finding the Fourth Proportional to 19,111.17, 28,637.53 and 8,011.81

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Solution

The fourth proportional to 19,111.17, 28,637.53 and 8,011.81 is: 12,005.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,111.17 : 28,637.53 = 8,011.81 : x
  2. Step 2: Convert to fraction form
    19,111.17/28,637.53 = 8,011.81/x
  3. Step 3: Cross multiply
    19,111.17x = 28,637.53 × 8,011.81
  4. Step 4: Simplify right side
    19,111.17x = 229,438,449.23
  5. Step 5: Solve for x
    x = 229,438,449.23/19,111.17
  6. Step 6: Final answer
    x = 12,005.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.