Home / 22,990.64-31,758.28-18,017.64

Finding the Fourth Proportional to 22,990.64, 31,758.28 and 18,017.64

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Solution

The fourth proportional to 22,990.64, 31,758.28 and 18,017.64 is: 24,888.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,990.64 : 31,758.28 = 18,017.64 : x
  2. Step 2: Convert to fraction form
    22,990.64/31,758.28 = 18,017.64/x
  3. Step 3: Cross multiply
    22,990.64x = 31,758.28 × 18,017.64
  4. Step 4: Simplify right side
    22,990.64x = 572,209,211.02
  5. Step 5: Solve for x
    x = 572,209,211.02/22,990.64
  6. Step 6: Final answer
    x = 24,888.80

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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.