Home / 15,700.16-23,522.20-8,288.06

Finding the Fourth Proportional to 15,700.16, 23,522.20 and 8,288.06

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Solution

The fourth proportional to 15,700.16, 23,522.20 and 8,288.06 is: 12,417.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,700.16 : 23,522.20 = 8,288.06 : x
  2. Step 2: Convert to fraction form
    15,700.16/23,522.20 = 8,288.06/x
  3. Step 3: Cross multiply
    15,700.16x = 23,522.20 × 8,288.06
  4. Step 4: Simplify right side
    15,700.16x = 194,953,266.60
  5. Step 5: Solve for x
    x = 194,953,266.60/15,700.16
  6. Step 6: Final answer
    x = 12,417.28

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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.