Home / 22,519.06-31,077.73-12,962.18

Finding the Fourth Proportional to 22,519.06, 31,077.73 and 12,962.18

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Solution

The fourth proportional to 22,519.06, 31,077.73 and 12,962.18 is: 17,888.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,519.06 : 31,077.73 = 12,962.18 : x
  2. Step 2: Convert to fraction form
    22,519.06/31,077.73 = 12,962.18/x
  3. Step 3: Cross multiply
    22,519.06x = 31,077.73 × 12,962.18
  4. Step 4: Simplify right side
    22,519.06x = 402,835,130.25
  5. Step 5: Solve for x
    x = 402,835,130.25/22,519.06
  6. Step 6: Final answer
    x = 17,888.63

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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.