Home / 22,557.93-31,130.01-12,487.07

Finding the Fourth Proportional to 22,557.93, 31,130.01 and 12,487.07

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Solution

The fourth proportional to 22,557.93, 31,130.01 and 12,487.07 is: 17,232.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,557.93 : 31,130.01 = 12,487.07 : x
  2. Step 2: Convert to fraction form
    22,557.93/31,130.01 = 12,487.07/x
  3. Step 3: Cross multiply
    22,557.93x = 31,130.01 × 12,487.07
  4. Step 4: Simplify right side
    22,557.93x = 388,722,458.32
  5. Step 5: Solve for x
    x = 388,722,458.32/22,557.93
  6. Step 6: Final answer
    x = 17,232.19

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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.