Home / 39,823.40-59,740.54-13,521.08

Finding the Fourth Proportional to 39,823.40, 59,740.54 and 13,521.08

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Solution

The fourth proportional to 39,823.40, 59,740.54 and 13,521.08 is: 20,283.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,823.40 : 59,740.54 = 13,521.08 : x
  2. Step 2: Convert to fraction form
    39,823.40/59,740.54 = 13,521.08/x
  3. Step 3: Cross multiply
    39,823.40x = 59,740.54 × 13,521.08
  4. Step 4: Simplify right side
    39,823.40x = 807,756,620.58
  5. Step 5: Solve for x
    x = 807,756,620.58/39,823.40
  6. Step 6: Final answer
    x = 20,283.47

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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.