Home / 55,312.08-82,980.42-15,866.16

Finding the Fourth Proportional to 55,312.08, 82,980.42 and 15,866.16

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Solution

The fourth proportional to 55,312.08, 82,980.42 and 15,866.16 is: 23,802.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,312.08 : 82,980.42 = 15,866.16 : x
  2. Step 2: Convert to fraction form
    55,312.08/82,980.42 = 15,866.16/x
  3. Step 3: Cross multiply
    55,312.08x = 82,980.42 × 15,866.16
  4. Step 4: Simplify right side
    55,312.08x = 1,316,580,620.59
  5. Step 5: Solve for x
    x = 1,316,580,620.59/55,312.08
  6. Step 6: Final answer
    x = 23,802.77

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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.