Home / 14,931.45-22,381.44-7,520.34

Finding the Fourth Proportional to 14,931.45, 22,381.44 and 7,520.34

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Solution

The fourth proportional to 14,931.45, 22,381.44 and 7,520.34 is: 11,272.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,931.45 : 22,381.44 = 7,520.34 : x
  2. Step 2: Convert to fraction form
    14,931.45/22,381.44 = 7,520.34/x
  3. Step 3: Cross multiply
    14,931.45x = 22,381.44 × 7,520.34
  4. Step 4: Simplify right side
    14,931.45x = 168,316,038.49
  5. Step 5: Solve for x
    x = 168,316,038.49/14,931.45
  6. Step 6: Final answer
    x = 11,272.58

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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.