Home / 14,885.31-22,312.23-5,391.30

Finding the Fourth Proportional to 14,885.31, 22,312.23 and 5,391.30

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Solution

The fourth proportional to 14,885.31, 22,312.23 and 5,391.30 is: 8,081.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,885.31 : 22,312.23 = 5,391.30 : x
  2. Step 2: Convert to fraction form
    14,885.31/22,312.23 = 5,391.30/x
  3. Step 3: Cross multiply
    14,885.31x = 22,312.23 × 5,391.30
  4. Step 4: Simplify right side
    14,885.31x = 120,291,925.60
  5. Step 5: Solve for x
    x = 120,291,925.60/14,885.31
  6. Step 6: Final answer
    x = 8,081.25

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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.