Home / 19,810.04-29,683.76-7,312.84

Finding the Fourth Proportional to 19,810.04, 29,683.76 and 7,312.84

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Solution

The fourth proportional to 19,810.04, 29,683.76 and 7,312.84 is: 10,957.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,810.04 : 29,683.76 = 7,312.84 : x
  2. Step 2: Convert to fraction form
    19,810.04/29,683.76 = 7,312.84/x
  3. Step 3: Cross multiply
    19,810.04x = 29,683.76 × 7,312.84
  4. Step 4: Simplify right side
    19,810.04x = 217,072,587.48
  5. Step 5: Solve for x
    x = 217,072,587.48/19,810.04
  6. Step 6: Final answer
    x = 10,957.71

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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.