Home / 17,988.65-24,831.17-13,525.36

Finding the Fourth Proportional to 17,988.65, 24,831.17 and 13,525.36

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Solution

The fourth proportional to 17,988.65, 24,831.17 and 13,525.36 is: 18,670.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,988.65 : 24,831.17 = 13,525.36 : x
  2. Step 2: Convert to fraction form
    17,988.65/24,831.17 = 13,525.36/x
  3. Step 3: Cross multiply
    17,988.65x = 24,831.17 × 13,525.36
  4. Step 4: Simplify right side
    17,988.65x = 335,850,547.28
  5. Step 5: Solve for x
    x = 335,850,547.28/17,988.65
  6. Step 6: Final answer
    x = 18,670.14

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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.