Home / 22,798.80-31,463.56-13,368.08

Finding the Fourth Proportional to 22,798.80, 31,463.56 and 13,368.08

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Solution

The fourth proportional to 22,798.80, 31,463.56 and 13,368.08 is: 18,448.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,798.80 : 31,463.56 = 13,368.08 : x
  2. Step 2: Convert to fraction form
    22,798.80/31,463.56 = 13,368.08/x
  3. Step 3: Cross multiply
    22,798.80x = 31,463.56 × 13,368.08
  4. Step 4: Simplify right side
    22,798.80x = 420,607,387.16
  5. Step 5: Solve for x
    x = 420,607,387.16/22,798.80
  6. Step 6: Final answer
    x = 18,448.66

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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.