Home / 53,616.02-80,424.32-14,172.71

Finding the Fourth Proportional to 53,616.02, 80,424.32 and 14,172.71

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Solution

The fourth proportional to 53,616.02, 80,424.32 and 14,172.71 is: 21,259.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,616.02 : 80,424.32 = 14,172.71 : x
  2. Step 2: Convert to fraction form
    53,616.02/80,424.32 = 14,172.71/x
  3. Step 3: Cross multiply
    53,616.02x = 80,424.32 × 14,172.71
  4. Step 4: Simplify right side
    53,616.02x = 1,139,830,091.32
  5. Step 5: Solve for x
    x = 1,139,830,091.32/53,616.02
  6. Step 6: Final answer
    x = 21,259.13

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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.