Home / 22,290.99-30,775.56-14,347.02

Finding the Fourth Proportional to 22,290.99, 30,775.56 and 14,347.02

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Solution

The fourth proportional to 22,290.99, 30,775.56 and 14,347.02 is: 19,807.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,290.99 : 30,775.56 = 14,347.02 : x
  2. Step 2: Convert to fraction form
    22,290.99/30,775.56 = 14,347.02/x
  3. Step 3: Cross multiply
    22,290.99x = 30,775.56 × 14,347.02
  4. Step 4: Simplify right side
    22,290.99x = 441,537,574.83
  5. Step 5: Solve for x
    x = 441,537,574.83/22,290.99
  6. Step 6: Final answer
    x = 19,807.89

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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.