Home / 28,048.04-42,045.43-11,191.41

Finding the Fourth Proportional to 28,048.04, 42,045.43 and 11,191.41

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Solution

The fourth proportional to 28,048.04, 42,045.43 and 11,191.41 is: 16,776.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,048.04 : 42,045.43 = 11,191.41 : x
  2. Step 2: Convert to fraction form
    28,048.04/42,045.43 = 11,191.41/x
  3. Step 3: Cross multiply
    28,048.04x = 42,045.43 × 11,191.41
  4. Step 4: Simplify right side
    28,048.04x = 470,547,645.76
  5. Step 5: Solve for x
    x = 470,547,645.76/28,048.04
  6. Step 6: Final answer
    x = 16,776.49

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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.