Home / 53,264.48-79,882.88-15,815.74

Finding the Fourth Proportional to 53,264.48, 79,882.88 and 15,815.74

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Solution

The fourth proportional to 53,264.48, 79,882.88 and 15,815.74 is: 23,719.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,264.48 : 79,882.88 = 15,815.74 : x
  2. Step 2: Convert to fraction form
    53,264.48/79,882.88 = 15,815.74/x
  3. Step 3: Cross multiply
    53,264.48x = 79,882.88 × 15,815.74
  4. Step 4: Simplify right side
    53,264.48x = 1,263,406,860.53
  5. Step 5: Solve for x
    x = 1,263,406,860.53/53,264.48
  6. Step 6: Final answer
    x = 23,719.50

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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.