Home / 13,157.91-19,746.59-9,877.41

Finding the Fourth Proportional to 13,157.91, 19,746.59 and 9,877.41

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Solution

The fourth proportional to 13,157.91, 19,746.59 and 9,877.41 is: 14,823.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,157.91 : 19,746.59 = 9,877.41 : x
  2. Step 2: Convert to fraction form
    13,157.91/19,746.59 = 9,877.41/x
  3. Step 3: Cross multiply
    13,157.91x = 19,746.59 × 9,877.41
  4. Step 4: Simplify right side
    13,157.91x = 195,045,116.14
  5. Step 5: Solve for x
    x = 195,045,116.14/13,157.91
  6. Step 6: Final answer
    x = 14,823.41

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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.