Home / 15,931.76-23,897.57-5,543.51

Finding the Fourth Proportional to 15,931.76, 23,897.57 and 5,543.51

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Solution

The fourth proportional to 15,931.76, 23,897.57 and 5,543.51 is: 8,315.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,931.76 : 23,897.57 = 5,543.51 : x
  2. Step 2: Convert to fraction form
    15,931.76/23,897.57 = 5,543.51/x
  3. Step 3: Cross multiply
    15,931.76x = 23,897.57 × 5,543.51
  4. Step 4: Simplify right side
    15,931.76x = 132,476,271.07
  5. Step 5: Solve for x
    x = 132,476,271.07/15,931.76
  6. Step 6: Final answer
    x = 8,315.23

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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.