Home / 15,980.76-23,981.81-5,592.51

Finding the Fourth Proportional to 15,980.76, 23,981.81 and 5,592.51

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Solution

The fourth proportional to 15,980.76, 23,981.81 and 5,592.51 is: 8,392.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,980.76 : 23,981.81 = 5,592.51 : x
  2. Step 2: Convert to fraction form
    15,980.76/23,981.81 = 5,592.51/x
  3. Step 3: Cross multiply
    15,980.76x = 23,981.81 × 5,592.51
  4. Step 4: Simplify right side
    15,980.76x = 134,118,484.28
  5. Step 5: Solve for x
    x = 134,118,484.28/15,980.76
  6. Step 6: Final answer
    x = 8,392.50

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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.