Home / 14,127.53-19,492.70-8,158.08

Finding the Fourth Proportional to 14,127.53, 19,492.70 and 8,158.08

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Solution

The fourth proportional to 14,127.53, 19,492.70 and 8,158.08 is: 11,256.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,127.53 : 19,492.70 = 8,158.08 : x
  2. Step 2: Convert to fraction form
    14,127.53/19,492.70 = 8,158.08/x
  3. Step 3: Cross multiply
    14,127.53x = 19,492.70 × 8,158.08
  4. Step 4: Simplify right side
    14,127.53x = 159,022,965.23
  5. Step 5: Solve for x
    x = 159,022,965.23/14,127.53
  6. Step 6: Final answer
    x = 11,256.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.