Home / 19,000.68-26,181.54-16,158.12

Finding the Fourth Proportional to 19,000.68, 26,181.54 and 16,158.12

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Solution

The fourth proportional to 19,000.68, 26,181.54 and 16,158.12 is: 22,264.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,000.68 : 26,181.54 = 16,158.12 : x
  2. Step 2: Convert to fraction form
    19,000.68/26,181.54 = 16,158.12/x
  3. Step 3: Cross multiply
    19,000.68x = 26,181.54 × 16,158.12
  4. Step 4: Simplify right side
    19,000.68x = 423,044,465.10
  5. Step 5: Solve for x
    x = 423,044,465.10/19,000.68
  6. Step 6: Final answer
    x = 22,264.70

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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.