Home / 14,901.48-20,566.95-9,865.92

Finding the Fourth Proportional to 14,901.48, 20,566.95 and 9,865.92

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Solution

The fourth proportional to 14,901.48, 20,566.95 and 9,865.92 is: 13,616.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,901.48 : 20,566.95 = 9,865.92 : x
  2. Step 2: Convert to fraction form
    14,901.48/20,566.95 = 9,865.92/x
  3. Step 3: Cross multiply
    14,901.48x = 20,566.95 × 9,865.92
  4. Step 4: Simplify right side
    14,901.48x = 202,911,883.34
  5. Step 5: Solve for x
    x = 202,911,883.34/14,901.48
  6. Step 6: Final answer
    x = 13,616.89

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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.