Home / 19,210.50-26,511.30-10,827

Finding the Fourth Proportional to 19,210.50, 26,511.30 and 10,827

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Solution

The fourth proportional to 19,210.50, 26,511.30 and 10,827 is: 14,941.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,210.50 : 26,511.30 = 10,827 : x
  2. Step 2: Convert to fraction form
    19,210.50/26,511.30 = 10,827/x
  3. Step 3: Cross multiply
    19,210.50x = 26,511.30 × 10,827
  4. Step 4: Simplify right side
    19,210.50x = 287,037,845.10
  5. Step 5: Solve for x
    x = 287,037,845.10/19,210.50
  6. Step 6: Final answer
    x = 14,941.72

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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.