Home / 55,721.92-83,582.59-13,602.22

Finding the Fourth Proportional to 55,721.92, 83,582.59 and 13,602.22

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Solution

The fourth proportional to 55,721.92, 83,582.59 and 13,602.22 is: 20,403.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,721.92 : 83,582.59 = 13,602.22 : x
  2. Step 2: Convert to fraction form
    55,721.92/83,582.59 = 13,602.22/x
  3. Step 3: Cross multiply
    55,721.92x = 83,582.59 × 13,602.22
  4. Step 4: Simplify right side
    55,721.92x = 1,136,908,756.71
  5. Step 5: Solve for x
    x = 1,136,908,756.71/55,721.92
  6. Step 6: Final answer
    x = 20,403.26

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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.