Home / 25,455.95-35,129.13-14,127.16

Finding the Fourth Proportional to 25,455.95, 35,129.13 and 14,127.16

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Solution

The fourth proportional to 25,455.95, 35,129.13 and 14,127.16 is: 19,495.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,455.95 : 35,129.13 = 14,127.16 : x
  2. Step 2: Convert to fraction form
    25,455.95/35,129.13 = 14,127.16/x
  3. Step 3: Cross multiply
    25,455.95x = 35,129.13 × 14,127.16
  4. Step 4: Simplify right side
    25,455.95x = 496,274,840.17
  5. Step 5: Solve for x
    x = 496,274,840.17/25,455.95
  6. Step 6: Final answer
    x = 19,495.44

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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.