Home / 14,257.91-21,392.34-10,045.21

Finding the Fourth Proportional to 14,257.91, 21,392.34 and 10,045.21

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Solution

The fourth proportional to 14,257.91, 21,392.34 and 10,045.21 is: 15,071.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,257.91 : 21,392.34 = 10,045.21 : x
  2. Step 2: Convert to fraction form
    14,257.91/21,392.34 = 10,045.21/x
  3. Step 3: Cross multiply
    14,257.91x = 21,392.34 × 10,045.21
  4. Step 4: Simplify right side
    14,257.91x = 214,890,547.69
  5. Step 5: Solve for x
    x = 214,890,547.69/14,257.91
  6. Step 6: Final answer
    x = 15,071.67

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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.