Home / 15,783.99-23,671.89-4,688.07

Finding the Fourth Proportional to 15,783.99, 23,671.89 and 4,688.07

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Solution

The fourth proportional to 15,783.99, 23,671.89 and 4,688.07 is: 7,030.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,783.99 : 23,671.89 = 4,688.07 : x
  2. Step 2: Convert to fraction form
    15,783.99/23,671.89 = 4,688.07/x
  3. Step 3: Cross multiply
    15,783.99x = 23,671.89 × 4,688.07
  4. Step 4: Simplify right side
    15,783.99x = 110,975,477.35
  5. Step 5: Solve for x
    x = 110,975,477.35/15,783.99
  6. Step 6: Final answer
    x = 7,030.89

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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.