Home / 17,509.79-26,232.35-13,547.00

Finding the Fourth Proportional to 17,509.79, 26,232.35 and 13,547.00

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Solution

The fourth proportional to 17,509.79, 26,232.35 and 13,547.00 is: 20,295.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,509.79 : 26,232.35 = 13,547.00 : x
  2. Step 2: Convert to fraction form
    17,509.79/26,232.35 = 13,547.00/x
  3. Step 3: Cross multiply
    17,509.79x = 26,232.35 × 13,547.00
  4. Step 4: Simplify right side
    17,509.79x = 355,369,446.55
  5. Step 5: Solve for x
    x = 355,369,446.55/17,509.79
  6. Step 6: Final answer
    x = 20,295.48

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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.