Home / 17,370.54-23,970.18-9,817.20

Finding the Fourth Proportional to 17,370.54, 23,970.18 and 9,817.20

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Solution

The fourth proportional to 17,370.54, 23,970.18 and 9,817.20 is: 13,547.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,370.54 : 23,970.18 = 9,817.20 : x
  2. Step 2: Convert to fraction form
    17,370.54/23,970.18 = 9,817.20/x
  3. Step 3: Cross multiply
    17,370.54x = 23,970.18 × 9,817.20
  4. Step 4: Simplify right side
    17,370.54x = 235,320,051.10
  5. Step 5: Solve for x
    x = 235,320,051.10/17,370.54
  6. Step 6: Final answer
    x = 13,547.08

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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.