Home / 17,085.81-23,565.68-12,547.06

Finding the Fourth Proportional to 17,085.81, 23,565.68 and 12,547.06

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Solution

The fourth proportional to 17,085.81, 23,565.68 and 12,547.06 is: 17,305.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,085.81 : 23,565.68 = 12,547.06 : x
  2. Step 2: Convert to fraction form
    17,085.81/23,565.68 = 12,547.06/x
  3. Step 3: Cross multiply
    17,085.81x = 23,565.68 × 12,547.06
  4. Step 4: Simplify right side
    17,085.81x = 295,679,973.35
  5. Step 5: Solve for x
    x = 295,679,973.35/17,085.81
  6. Step 6: Final answer
    x = 17,305.59

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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.