Home / 15,707.63-23,565.69-5,319.38

Finding the Fourth Proportional to 15,707.63, 23,565.69 and 5,319.38

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Solution

The fourth proportional to 15,707.63, 23,565.69 and 5,319.38 is: 7,980.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,707.63 : 23,565.69 = 5,319.38 : x
  2. Step 2: Convert to fraction form
    15,707.63/23,565.69 = 5,319.38/x
  3. Step 3: Cross multiply
    15,707.63x = 23,565.69 × 5,319.38
  4. Step 4: Simplify right side
    15,707.63x = 125,354,742.24
  5. Step 5: Solve for x
    x = 125,354,742.24/15,707.63
  6. Step 6: Final answer
    x = 7,980.50

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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.