Home / 43,510.01-65,289.60-18,547.43

Finding the Fourth Proportional to 43,510.01, 65,289.60 and 18,547.43

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Solution

The fourth proportional to 43,510.01, 65,289.60 and 18,547.43 is: 27,831.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,510.01 : 65,289.60 = 18,547.43 : x
  2. Step 2: Convert to fraction form
    43,510.01/65,289.60 = 18,547.43/x
  3. Step 3: Cross multiply
    43,510.01x = 65,289.60 × 18,547.43
  4. Step 4: Simplify right side
    43,510.01x = 1,210,953,959.28
  5. Step 5: Solve for x
    x = 1,210,953,959.28/43,510.01
  6. Step 6: Final answer
    x = 27,831.62

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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.