Home / 28,443.08-42,607.51-14,168.57

Finding the Fourth Proportional to 28,443.08, 42,607.51 and 14,168.57

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Solution

The fourth proportional to 28,443.08, 42,607.51 and 14,168.57 is: 21,224.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,443.08 : 42,607.51 = 14,168.57 : x
  2. Step 2: Convert to fraction form
    28,443.08/42,607.51 = 14,168.57/x
  3. Step 3: Cross multiply
    28,443.08x = 42,607.51 × 14,168.57
  4. Step 4: Simplify right side
    28,443.08x = 603,687,239.50
  5. Step 5: Solve for x
    x = 603,687,239.50/28,443.08
  6. Step 6: Final answer
    x = 21,224.40

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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.