Home / 23,718.80-35,549.40-10,557.20

Finding the Fourth Proportional to 23,718.80, 35,549.40 and 10,557.20

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Solution

The fourth proportional to 23,718.80, 35,549.40 and 10,557.20 is: 15,822.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,718.80 : 35,549.40 = 10,557.20 : x
  2. Step 2: Convert to fraction form
    23,718.80/35,549.40 = 10,557.20/x
  3. Step 3: Cross multiply
    23,718.80x = 35,549.40 × 10,557.20
  4. Step 4: Simplify right side
    23,718.80x = 375,302,125.68
  5. Step 5: Solve for x
    x = 375,302,125.68/23,718.80
  6. Step 6: Final answer
    x = 15,822.98

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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.