Home / 13,848.29-20,666.45-12,370.85

Finding the Fourth Proportional to 13,848.29, 20,666.45 and 12,370.85

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Solution

The fourth proportional to 13,848.29, 20,666.45 and 12,370.85 is: 18,461.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,848.29 : 20,666.45 = 12,370.85 : x
  2. Step 2: Convert to fraction form
    13,848.29/20,666.45 = 12,370.85/x
  3. Step 3: Cross multiply
    13,848.29x = 20,666.45 × 12,370.85
  4. Step 4: Simplify right side
    13,848.29x = 255,661,552.98
  5. Step 5: Solve for x
    x = 255,661,552.98/13,848.29
  6. Step 6: Final answer
    x = 18,461.60

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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.