Home / 19,037.66-28,420.22-16,547.21

Finding the Fourth Proportional to 19,037.66, 28,420.22 and 16,547.21

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Solution

The fourth proportional to 19,037.66, 28,420.22 and 16,547.21 is: 24,702.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,037.66 : 28,420.22 = 16,547.21 : x
  2. Step 2: Convert to fraction form
    19,037.66/28,420.22 = 16,547.21/x
  3. Step 3: Cross multiply
    19,037.66x = 28,420.22 × 16,547.21
  4. Step 4: Simplify right side
    19,037.66x = 470,275,123.75
  5. Step 5: Solve for x
    x = 470,275,123.75/19,037.66
  6. Step 6: Final answer
    x = 24,702.37

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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.