Home / 15,762.20-23,643.70-5,381.24

Finding the Fourth Proportional to 15,762.20, 23,643.70 and 5,381.24

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Solution

The fourth proportional to 15,762.20, 23,643.70 and 5,381.24 is: 8,071.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,762.20 : 23,643.70 = 5,381.24 : x
  2. Step 2: Convert to fraction form
    15,762.20/23,643.70 = 5,381.24/x
  3. Step 3: Cross multiply
    15,762.20x = 23,643.70 × 5,381.24
  4. Step 4: Simplify right side
    15,762.20x = 127,232,292.52
  5. Step 5: Solve for x
    x = 127,232,292.52/15,762.20
  6. Step 6: Final answer
    x = 8,071.99

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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.