Home / 15,021.16-22,421.72-13,247.74

Finding the Fourth Proportional to 15,021.16, 22,421.72 and 13,247.74

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Solution

The fourth proportional to 15,021.16, 22,421.72 and 13,247.74 is: 19,774.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,021.16 : 22,421.72 = 13,247.74 : x
  2. Step 2: Convert to fraction form
    15,021.16/22,421.72 = 13,247.74/x
  3. Step 3: Cross multiply
    15,021.16x = 22,421.72 × 13,247.74
  4. Step 4: Simplify right side
    15,021.16x = 297,037,116.91
  5. Step 5: Solve for x
    x = 297,037,116.91/15,021.16
  6. Step 6: Final answer
    x = 19,774.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.