Home / 22,852.63-31,536.54-12,781.03

Finding the Fourth Proportional to 22,852.63, 31,536.54 and 12,781.03

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Solution

The fourth proportional to 22,852.63, 31,536.54 and 12,781.03 is: 17,637.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,852.63 : 31,536.54 = 12,781.03 : x
  2. Step 2: Convert to fraction form
    22,852.63/31,536.54 = 12,781.03/x
  3. Step 3: Cross multiply
    22,852.63x = 31,536.54 × 12,781.03
  4. Step 4: Simplify right side
    22,852.63x = 403,069,463.84
  5. Step 5: Solve for x
    x = 403,069,463.84/22,852.63
  6. Step 6: Final answer
    x = 17,637.77

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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.