Home / 20,444.81-30,483.14-19,934.51

Finding the Fourth Proportional to 20,444.81, 30,483.14 and 19,934.51

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Solution

The fourth proportional to 20,444.81, 30,483.14 and 19,934.51 is: 29,722.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,444.81 : 30,483.14 = 19,934.51 : x
  2. Step 2: Convert to fraction form
    20,444.81/30,483.14 = 19,934.51/x
  3. Step 3: Cross multiply
    20,444.81x = 30,483.14 × 19,934.51
  4. Step 4: Simplify right side
    20,444.81x = 607,666,207.07
  5. Step 5: Solve for x
    x = 607,666,207.07/20,444.81
  6. Step 6: Final answer
    x = 29,722.28

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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.