Home / 14,303.04-19,737.93-7,929.60

Finding the Fourth Proportional to 14,303.04, 19,737.93 and 7,929.60

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Solution

The fourth proportional to 14,303.04, 19,737.93 and 7,929.60 is: 10,942.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,303.04 : 19,737.93 = 7,929.60 : x
  2. Step 2: Convert to fraction form
    14,303.04/19,737.93 = 7,929.60/x
  3. Step 3: Cross multiply
    14,303.04x = 19,737.93 × 7,929.60
  4. Step 4: Simplify right side
    14,303.04x = 156,513,845.45
  5. Step 5: Solve for x
    x = 156,513,845.45/14,303.04
  6. Step 6: Final answer
    x = 10,942.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.