Home / 19,136.81-28,564.74-17,727.77

Finding the Fourth Proportional to 19,136.81, 28,564.74 and 17,727.77

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Solution

The fourth proportional to 19,136.81, 28,564.74 and 17,727.77 is: 26,461.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,136.81 : 28,564.74 = 17,727.77 : x
  2. Step 2: Convert to fraction form
    19,136.81/28,564.74 = 17,727.77/x
  3. Step 3: Cross multiply
    19,136.81x = 28,564.74 × 17,727.77
  4. Step 4: Simplify right side
    19,136.81x = 506,389,212.24
  5. Step 5: Solve for x
    x = 506,389,212.24/19,136.81
  6. Step 6: Final answer
    x = 26,461.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.