Home / 25,345.04-38,008.44-8,700.62

Finding the Fourth Proportional to 25,345.04, 38,008.44 and 8,700.62

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Solution

The fourth proportional to 25,345.04, 38,008.44 and 8,700.62 is: 13,047.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,345.04 : 38,008.44 = 8,700.62 : x
  2. Step 2: Convert to fraction form
    25,345.04/38,008.44 = 8,700.62/x
  3. Step 3: Cross multiply
    25,345.04x = 38,008.44 × 8,700.62
  4. Step 4: Simplify right side
    25,345.04x = 330,696,803.19
  5. Step 5: Solve for x
    x = 330,696,803.19/25,345.04
  6. Step 6: Final answer
    x = 13,047.79

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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.