Home / 14,117.10-21,175.65-11,492.70

Finding the Fourth Proportional to 14,117.10, 21,175.65 and 11,492.70

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Solution

The fourth proportional to 14,117.10, 21,175.65 and 11,492.70 is: 17,239.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,117.10 : 21,175.65 = 11,492.70 : x
  2. Step 2: Convert to fraction form
    14,117.10/21,175.65 = 11,492.70/x
  3. Step 3: Cross multiply
    14,117.10x = 21,175.65 × 11,492.70
  4. Step 4: Simplify right side
    14,117.10x = 243,365,392.76
  5. Step 5: Solve for x
    x = 243,365,392.76/14,117.10
  6. Step 6: Final answer
    x = 17,239.05

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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.