Home / 19,089.81-26,343.23-10,705.77

Finding the Fourth Proportional to 19,089.81, 26,343.23 and 10,705.77

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Solution

The fourth proportional to 19,089.81, 26,343.23 and 10,705.77 is: 14,773.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,089.81 : 26,343.23 = 10,705.77 : x
  2. Step 2: Convert to fraction form
    19,089.81/26,343.23 = 10,705.77/x
  3. Step 3: Cross multiply
    19,089.81x = 26,343.23 × 10,705.77
  4. Step 4: Simplify right side
    19,089.81x = 282,024,507.91
  5. Step 5: Solve for x
    x = 282,024,507.91/19,089.81
  6. Step 6: Final answer
    x = 14,773.56

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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.