Home / 22,599.47-31,186.41-12,528.06

Finding the Fourth Proportional to 22,599.47, 31,186.41 and 12,528.06

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Solution

The fourth proportional to 22,599.47, 31,186.41 and 12,528.06 is: 17,288.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,599.47 : 31,186.41 = 12,528.06 : x
  2. Step 2: Convert to fraction form
    22,599.47/31,186.41 = 12,528.06/x
  3. Step 3: Cross multiply
    22,599.47x = 31,186.41 × 12,528.06
  4. Step 4: Simplify right side
    22,599.47x = 390,705,215.66
  5. Step 5: Solve for x
    x = 390,705,215.66/22,599.47
  6. Step 6: Final answer
    x = 17,288.25

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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.