Home / 14,150.57-19,547.72-13,403.22

Finding the Fourth Proportional to 14,150.57, 19,547.72 and 13,403.22

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Solution

The fourth proportional to 14,150.57, 19,547.72 and 13,403.22 is: 18,515.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,150.57 : 19,547.72 = 13,403.22 : x
  2. Step 2: Convert to fraction form
    14,150.57/19,547.72 = 13,403.22/x
  3. Step 3: Cross multiply
    14,150.57x = 19,547.72 × 13,403.22
  4. Step 4: Simplify right side
    14,150.57x = 262,002,251.34
  5. Step 5: Solve for x
    x = 262,002,251.34/14,150.57
  6. Step 6: Final answer
    x = 18,515.32

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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.