Home / 22,599.70-31,184.30-12,528.14

Finding the Fourth Proportional to 22,599.70, 31,184.30 and 12,528.14

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Solution

The fourth proportional to 22,599.70, 31,184.30 and 12,528.14 is: 17,287.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,599.70 : 31,184.30 = 12,528.14 : x
  2. Step 2: Convert to fraction form
    22,599.70/31,184.30 = 12,528.14/x
  3. Step 3: Cross multiply
    22,599.70x = 31,184.30 × 12,528.14
  4. Step 4: Simplify right side
    22,599.70x = 390,681,151.60
  5. Step 5: Solve for x
    x = 390,681,151.60/22,599.70
  6. Step 6: Final answer
    x = 17,287.01

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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.