Home / 20,575.64-28,373.16-17,601.32

Finding the Fourth Proportional to 20,575.64, 28,373.16 and 17,601.32

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Solution

The fourth proportional to 20,575.64, 28,373.16 and 17,601.32 is: 24,271.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,575.64 : 28,373.16 = 17,601.32 : x
  2. Step 2: Convert to fraction form
    20,575.64/28,373.16 = 17,601.32/x
  3. Step 3: Cross multiply
    20,575.64x = 28,373.16 × 17,601.32
  4. Step 4: Simplify right side
    20,575.64x = 499,405,068.57
  5. Step 5: Solve for x
    x = 499,405,068.57/20,575.64
  6. Step 6: Final answer
    x = 24,271.67

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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.