Home / 14,403.02-19,864.64-9,925.74

Finding the Fourth Proportional to 14,403.02, 19,864.64 and 9,925.74

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Solution

The fourth proportional to 14,403.02, 19,864.64 and 9,925.74 is: 13,689.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,403.02 : 19,864.64 = 9,925.74 : x
  2. Step 2: Convert to fraction form
    14,403.02/19,864.64 = 9,925.74/x
  3. Step 3: Cross multiply
    14,403.02x = 19,864.64 × 9,925.74
  4. Step 4: Simplify right side
    14,403.02x = 197,171,276.65
  5. Step 5: Solve for x
    x = 197,171,276.65/14,403.02
  6. Step 6: Final answer
    x = 13,689.58

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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.