Home / 15,690.75-23,528.95-9,368.50

Finding the Fourth Proportional to 15,690.75, 23,528.95 and 9,368.50

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Solution

The fourth proportional to 15,690.75, 23,528.95 and 9,368.50 is: 14,048.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,690.75 : 23,528.95 = 9,368.50 : x
  2. Step 2: Convert to fraction form
    15,690.75/23,528.95 = 9,368.50/x
  3. Step 3: Cross multiply
    15,690.75x = 23,528.95 × 9,368.50
  4. Step 4: Simplify right side
    15,690.75x = 220,430,968.08
  5. Step 5: Solve for x
    x = 220,430,968.08/15,690.75
  6. Step 6: Final answer
    x = 14,048.47

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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.