Home / 15,373.64-23,070.18-6,620.78

Finding the Fourth Proportional to 15,373.64, 23,070.18 and 6,620.78

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Solution

The fourth proportional to 15,373.64, 23,070.18 and 6,620.78 is: 9,935.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,373.64 : 23,070.18 = 6,620.78 : x
  2. Step 2: Convert to fraction form
    15,373.64/23,070.18 = 6,620.78/x
  3. Step 3: Cross multiply
    15,373.64x = 23,070.18 × 6,620.78
  4. Step 4: Simplify right side
    15,373.64x = 152,742,586.34
  5. Step 5: Solve for x
    x = 152,742,586.34/15,373.64
  6. Step 6: Final answer
    x = 9,935.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.