Home / 15,573.61-23,364.74-8,987.77

Finding the Fourth Proportional to 15,573.61, 23,364.74 and 8,987.77

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Solution

The fourth proportional to 15,573.61, 23,364.74 and 8,987.77 is: 13,484.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,573.61 : 23,364.74 = 8,987.77 : x
  2. Step 2: Convert to fraction form
    15,573.61/23,364.74 = 8,987.77/x
  3. Step 3: Cross multiply
    15,573.61x = 23,364.74 × 8,987.77
  4. Step 4: Simplify right side
    15,573.61x = 209,996,909.23
  5. Step 5: Solve for x
    x = 209,996,909.23/15,573.61
  6. Step 6: Final answer
    x = 13,484.15

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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.